From b153a551e46eadc4e25ba9692a9decfba195ad74 Mon Sep 17 00:00:00 2001 From: Angela Costa Date: Tue, 13 May 2025 11:11:27 +0100 Subject: [PATCH 1/2] Move 1xxx to different pages --- .../cloudflare-1xxx-errors.mdx | 555 ------------------ .../cloudflare-1xxx-errors/error-1000.mdx | 25 + .../cloudflare-1xxx-errors/error-1001.mdx | 25 + .../cloudflare-1xxx-errors/error-1002.mdx | 47 ++ .../cloudflare-1xxx-errors/error-1003.mdx | 17 + .../cloudflare-1xxx-errors/error-1004.mdx | 19 + .../cloudflare-1xxx-errors/error-1005.mdx | 28 + .../cloudflare-1xxx-errors/error-1006.mdx | 22 + .../cloudflare-1xxx-errors/error-1009.mdx | 18 + .../cloudflare-1xxx-errors/error-1010.mdx | 21 + .../cloudflare-1xxx-errors/error-1011.mdx | 21 + .../cloudflare-1xxx-errors/error-1012.mdx | 21 + .../cloudflare-1xxx-errors/error-1013.mdx | 28 + .../cloudflare-1xxx-errors/error-1014.mdx | 24 + .../cloudflare-1xxx-errors/error-1015.mdx | 27 + .../cloudflare-1xxx-errors/error-1016.mdx | 28 + 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a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors.mdx deleted file mode 100644 index 43dd7393ad4dc4e..000000000000000 --- a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors.mdx +++ /dev/null @@ -1,555 +0,0 @@ ---- -pcx_content_type: troubleshooting -tags: [] -source: https://support.cloudflare.com/hc/en-us/articles/360029779472 -title: Cloudflare 1XXX errors ---- - -import { GlossaryTooltip } from "~/components"; - -The errors covered in this document may occur when accessing a website proxied by Cloudflare. For issues related to the Cloudflare API or dashboard, refer to our [Cloudflare API documentation](/api/). - -HTTP errors such as `409`, `530`, `403`, and `429` are returned in the HTTP status header of a response, while 1XXX errors appear in the HTML body of the response. - -:::note[Customize error pages] -Refer to [Custom Errors](/rules/custom-errors/) for instructions on customizing the default error pages discussed in this article. -::: - -### Support and assistance - -If the suggested resolutions for each error do not resolve the issue, contact [Cloudflare Support](/support/contacting-cloudflare-support/). - -- Only the website owner can contact Cloudflare for technical support. You can find a domain's contact details via the [Whoisdatabase](https://lookup.icann.org/). -- Pro, Business and Enterprise plan users have access to email support. -- Business and Enterprise users can also access chat support. -- For additional support options, refer to the [Cloudflare plans](https://www.cloudflare.com/plans/). - -## Error 1000: DNS points to prohibited IP - -This error indicates that a Cloudflare DNS record points to a prohibited IP, blocking access to the requested domain. - -### Common causes - -Cloudflare halted the request for one of the following reasons: - -- An A record within your Cloudflare DNS app points to a [Cloudflare IP address](https://www.cloudflare.com/ips/), or a Load Balancer Origin points to a proxied record. -- Your Cloudflare DNS A or CNAME record references another reverse proxy (such as an nginx web server that uses the proxy_pass function) that then proxies the request to Cloudflare a second time. -- The request `X-Forwarded-For` header is longer than 100 characters. -- The request includes two `X-Forwarded-For` headers. -- The request includes a `CF-Connecting-IP` header. -- A Server Name Indication (SNI) issue or mismatch at the origin. - -### Resolution - -- If an A record within your Cloudflare DNS app points to a [Cloudflare IP address](https://www.cloudflare.com/ips/), update the IP address to your origin web server IP address. Reach out to your hosting provider if you need help obtaining the origin IP address. -- There is a reverse-proxy at your origin that sends the request back through the Cloudflare proxy. Instead of using a reverse-proxy, contact your hosting provider or site administrator to configure an HTTP redirect at your origin. - -## Error 1001: DNS resolution error - -This error indicates a DNS resolution failure preventing access to the requested domain. - -### Common causes - -- A web request was sent to a Cloudflare IP address for a non-existent Cloudflare domain. -- An external domain that is not on using Cloudflare has a CNAME record to a domain active on Cloudflare -- The target of the DNS CNAME record does not resolve. -- A CNAME record in your Cloudflare DNS app requires resolution via a DNS provider that is currently offline. -- [Always Online](/cache/how-to/always-online/) is enabled for a [Custom Hostname (Cloudflare for SaaS)](/cloudflare-for-platforms/cloudflare-for-saas/) domain. - -### Resolution - -A non-Cloudflare domain cannot CNAME to a Cloudflare domain, unless the non-Cloudflare domain is added to a Cloudflare account. - -Attempting to directly access DNS records used for [Cloudflare CNAME setups](/dns/zone-setups/partial-setup) also causes error 1001. For example, `www.example.com.cdn.cloudflare.net`. - -Disable [Always Online](/cache/how-to/always-online/#enable-always-online), if using [Custom Hostname (Cloudflare for SaaS)](/cloudflare-for-platforms/cloudflare-for-saas/) domain. - -## Error 1002: DNS points to Prohibited IP - -This error indicates that a Cloudflare DNS record points to a prohibited IP, preventing proper domain resolution. - -### Common causes - -- A DNS record in your Cloudflare DNS app points to one of [Cloudflare's IP addresses](https://www.cloudflare.com/ips/). -- An incorrect target is specified for a CNAME record in your Cloudflare DNS app. -- Your domain is not on Cloudflare but has a CNAME that refers to a Cloudflare domain. - -### Resolution - -Update your Cloudflare A or CNAME record to point to your origin IP address instead of a Cloudflare IP address: - -1. Contact your hosting provider to confirm your origin IP address or CNAME record target. -2. Log in to your Cloudflare account. -3. Select the domain that generates error 1002. -4. Select the **DNS** app. -5. Click **Value** for the A record to update. -6. Update the A record. - -To ensure your origin web server does not proxy its own requests through Cloudflare, configure your origin webserver to resolve your Cloudflare domain to: - -- The internal NAT'd IP address, or -- The public IP address of the origin web server. - -## Error 1002: Restricted - -This error indicates that the domain resolves to a restricted or disallowed IP address. - -### Common cause - -The Cloudflare domain resolves to a local or disallowed IP address or an IP address not associated with the domain. - -### Resolution - -If you own the website: - -1. Confirm your origin web server IP addresses with your hosting provider, -2. Log in to your Cloudflare account, and -3. Update the A records in the Cloudflare DNS app to the IP address confirmed by your hosting provider. - -## Error 1003 Access Denied: Direct IP Access Not Allowed - -This error indicates that direct access to a Cloudflare IP address is not allowed. - -### Common cause - -A client or browser directly accesses a [Cloudflare IP address](https://www.cloudflare.com/ips). - -### Resolution - -Browse to the website domain name in your URL instead of the Cloudflare IP address. - -## Error 1004: Host Not Configured to Serve Web Traffic - -This error indicates that the host is not configured to serve web traffic. - -### Common causes - -- Cloudflare staff disabled proxying for the domain due to abuse or terms of service violations. -- DNS changes have not yet propagated or the site owner's DNS A records point to [Cloudflare IP addresses](https://www.cloudflare.com/ips). - -### Resolution - -If the issue persists beyond five minutes, [contact Cloudflare Support](/support/contacting-cloudflare-support/). - -## Errors 1005 Access Denied: Autonomous System Number (ASN) banned - -This error indicates that access to the website is denied due to the banning of the Autonomous System Number (ASN). - -### Common causes - -The owner of the website (for example, `example.com`) has banned the autonomous system number (ASN) from accessing the website. - -### Resolution - -If you are not the website owner, provide the website owner with a screenshot of the 1005 error message you received. - -If you are the website owner: - -1. Retrieve a screenshot of the `1005` error from your customer -2. Search the [**Security Events log**](/waf/analytics/security-events/) (available at **Security** > **Events**) for the **RayID**, or client IP Address from the visitor's 1005 error message. - -:::note -Convert the UTC timestamp of the `1005` error to your local timezone when searching in the **Security Events log**. -::: - -3. Assess the cause of the block and ensure the ASN is allowed under the [IP Access Rules](/waf/tools/ip-access-rules/) security feature. - -## Errors 1006, 1007, 1008 or 1106 Access Denied: Your IP address has been banned - -This error indicates that access is denied because your IP address has been banned. - -### Common causes - -A Cloudflare customer blocked traffic from your client or browser. - -:::note - -Error 1006 also occurs in the Cloudflare **Workers** app under the **Preview** tab when a customer uses **[Zone Lockdown](/waf/tools/zone-lockdown/)** or any other Cloudflare security feature to block the Google Cloud Platform IPs that the **Preview** tab relies upon. -::: - -### Resolution - -Request the website owner to investigate their Cloudflare security settings or allow your client IP address. Since the website owner blocked your request, Cloudflare support cannot override a customer's security settings. - -## Errors 1009 Access Denied: Country or region banned - -This error indicates that access to the website is denied from your country or region. - -### Common causes - -The owner of the website (for example, `example.com`) has banned the country or region your IP address from accessing the website. - -### Resolution - -Ensure your IP address is allowed under the [IP Access Rules](/waf/tools/ip-access-rules/) security feature. - -## Error 1010: The owner of this website has banned your access based on your browser's signature - -This error indicates that access to the website is denied based on your browser's signature. - -### Common cause - -A website owner blocked your request based on your client's web browser. - -### Resolution - -Notify the website owner of the blocking. If you cannot determine how to contact the website owner, lookup contact information for the domain via the [Whois database](https://lookup.icann.org/). Site owners disable **Browser** **Integrity Check** via the **Settings** tab of the **Security** app. - -:::note -Since the website owner performed the blocking, Cloudflare support cannot override a customer's security settings. -::: - -## Error 1011: Access Denied (Hotlinking Denied) - -This error indicates that access to the resource is denied due to hotlinking protection. - -### Common cause - -A request is made for a resource that uses [Cloudflare hotlink protection](/waf/tools/scrape-shield/hotlink-protection/). - -### Resolution - -Notify the website owner of the blocking. If you cannot determine how to contact the website owner, lookup contact information for the domain via the [Whois database](https://lookup.icann.org/). **Hotlink Protection** is managed via the Cloudflare **Scrape Shield** app. - -:::note -Since the website owner performed the blocking, Cloudflare support cannot override a customer's security settings. -::: - -## Error 1012: Access Denied - -This error indicates that access to the website is denied. - -### Common cause - -A website owner forbids access based on malicious activity detected from the visitor's computer or network (ip_address). The most likely cause is a virus or malware infection on the visitor's computer. - -### Resolution - -Update your antivirus software and run a full system scan. Cloudflare can not override the security settings the site owner has set for the domain. To request website access, contact the site owner to allow your IP address. If you cannot determine how to contact the website owner, lookup contact information for the domain via the [Whois database](https://lookup.icann.org/). - -:::note -Since the website owner performed the blocking, Cloudflare support cannot override a customer's security settings. -::: - -## Error 1013: HTTP hostname and TLS SNI hostname mismatch - -This error indicates a mismatch between the HTTP hostname and the TLS SNI hostname. - -### Common cause - -The hostname sent by the client or browser via Server Name Indication (SNI) does not match the request host header. - -### Resolution - -Error `1013` is commonly caused by the following: - -- Your local browser setting the incorrect SNI host header, or -- A network proxying SSL traffic caused a mismatch between SNI and the Host header of the request. - -Test for an SNI mismatch via an online tool, such as [SSL Shopper](https://www.sslshopper.com/ssl-checker.html). - -Provide Cloudflare Support the following information: - -- A [HAR file](/support/troubleshooting/general-troubleshooting/gathering-information-for-troubleshooting-sites/) captured while duplicating the error. - -## Error 1014: CNAME Cross-User Banned - -This error indicates that a CNAME record between domains in different Cloudflare accounts is prohibited. - -### Common cause - -By default, Cloudflare prohibits a DNS CNAME record between domains in different Cloudflare accounts. CNAME records are permitted within a domain ([`www.example.com`](http://www.example.com) CNAME to `api.example.com`) and across zones within the same user account ([`www.example.com`](http://www.example.com) CNAME to [`www.example.net`](http://www.example.net)) or using our [Cloudflare for SaaS](https://www.cloudflare.com/saas/) solution. - -Another common cause is connecting a custom domain to an R2 bucket, where the domain is an active zone with the [zone hold](/fundamentals/setup/account/account-security/zone-holds/) feature enabled. - -:::caution -[Cloudflare Apps](https://www.cloudflare.com/apps/) are not currently supported by [Cloudflare for SaaS](/cloudflare-for-platforms/cloudflare-for-saas/), therefore any app using a domain configured on our SaaS solution may produce 1014 errors. -::: - -### Resolution - -- To allow CNAME record resolution to a domain in a different Cloudflare account, the domain owner of the CNAME target must use [Cloudflare for SaaS](/cloudflare-for-platforms/cloudflare-for-saas/). -- To allow connecting to a R2 bucket with a custom domain, disable the [zone hold](/fundamentals/setup/account/account-security/zone-holds/) feature on the custom domain target zone to resolve the 1014 error. - -## Error 1015: You are being rate limited - -This error indicates that you are being rate limited by the website. - -### Common cause - -The site owner implemented [Rate Limiting](/waf/reference/legacy/old-rate-limiting/) that affects your visitor traffic. - -:::note -_Unable to purge_ is another `1015` error code relating to [Cloudflare cache purge](/cache/how-to/purge-cache).Retry the cache purge and contact [Cloudflare support](/support/contacting-cloudflare-support/) if errors persist. -::: - -### Resolution - -- If you are a site visitor, contact the site owner to request exclusion of your IP from rate limiting. -- If you are the site owner, review [Cloudflare Rate Limiting thresholds](/waf/reference/legacy/old-rate-limiting/) and adjust your Rate Limiting configuration. -- If your Rate Limiting blocks requests in a short time period (i.e. 1 second) try increasing the time period to 10 seconds. - -:::note -If you expect a new Cloudflare Worker to exceed rate limits, refer to the [Workers documentation](/workers platform/limits) for guidance. -::: - -## Error 1016: Origin DNS error - -This error indicates that Cloudflare cannot resolve the origin web server's IP address. - -### Common cause - -Common causes for Error 1016 are: - -- A missing DNS A record that mentions origin IP address. -- A CNAME record in the Cloudflare DNS points to an unresolvable external domain. -- The origin hostnames (CNAMEs) in your Cloudflare [Load Balancer](/load-balancing/) default, region, and fallback pools are unresolvable. Use a fallback pool configured with an origin IP as a backup in case all other pools are unavailable. -- When creating a Spectrum app with a CNAME origin, you need first to create a CNAME on the Cloudflare DNS side that points to the origin. Please see [Spectrum CNAME origins](/spectrum/get-started/#create-a-spectrum-application-using-a-cname-record) for more details. -- There is no DNS record for the hostname in the Cloudflare for SaaS target zone. -- There is no DNS record for the hostname in the target [Partial (CNAME) setup zone](/dns/zone-setups/partial-setup/) of a Workers subrequest ([Fetch API](/workers/runtime-apis/fetch/)). - -### Resolution - -To resolve error 1016: - -1. Verify your Cloudflare DNS settings include an A record that points to a valid IP address that resolves via a [DNS lookup tool](https://dnschecker.org/). -2. For a CNAME record pointing to a different domain, ensure that the target domain resolves via a [DNS lookup tool](https://dnschecker.org/). -3. For a Workers subrequest to a Partial (CNAME) setup zone, ensure that the hostname exists on the Cloudflare zone (and not only at the authoritative DNS) - -## Error 1018: Could not find host - -This error indicates that the host could not be found. - -### Common causes - -- The Cloudflare domain was recently activated and there is a delay propagating the domain's settings to the Cloudflare edge network. -- The Cloudflare domain was created via a Cloudflare partner (for example, a hosting provider) and the provider's DNS failed. - -:::note -Error 1018 is returned via a HTTP 409 response code. -::: - -### Resolution - -Contact [Cloudflare Support](/support/contacting-cloudflare-support/) with the following details: - -- Your domain name. -- A screenshot of the 1018 error including the **RayID** mentioned in the error message. -- A [HAR file](/support/troubleshooting/general-troubleshooting/gathering-information-for-troubleshooting-sites/) captured while duplicating the error. - -## Error 1019: Compute server error - -This error indicates a compute server error related to a Cloudflare Worker. - -### Common cause - -A Cloudflare Worker script recursively references itself. - -### Resolution - -Ensure your Cloudflare Worker does not access a URL that calls the same Workers script. - -## Error 1020: Access denied - -This error indicates that access to the website is denied by a Cloudflare firewall rule. - -### Common cause - -A client or browser is blocked by a Cloudflare customer's Firewall Rules (deprecated). - -### Resolution - -If you are not the website owner, provide the website owner with a screenshot of the 1020 error message you received. - -If you are the website owner: - -1. Retrieve a screenshot of the 1020 error from your customer. -2. Search the [**Security Events log**](/waf/analytics/security-events/) (available at **Security** > **Events**) for the **RayID** or client IP Address from the visitor's 1020 error message. - -:::note -Convert the UTC timestamp of the `1020` error to your local timezone when -searching in the **Security Events log**. -::: - -3. Assess the cause of the block and either update the **Firewall Rule** or allow the visitor's IP address in [**IP Access Rules**](/waf/tools/ip-access-rules/). - -## Error 1023: Could not find host - -This error indicates that the host could not be found due to a configuration issue or propagation delay. - -### Common causes - -- If the owner just signed up for Cloudflare it can take a few minutes for the website's information to be distributed to our global network. Something is wrong with the site's configuration. -- Usually, this happens when accounts have been signed up with a partner organization (for example, hosting provider) and the provider's DNS fails. - -:::note -Error `1023` is returned via a HTTP `409` response code. -::: - -### Resolution - -Contact [Cloudflare Support](/support/contacting-cloudflare-support/) with the following details: - -- Your domain name. -- A screenshot of the 1023 error including the **RayID** mentioned in the error message. -- A [HAR file](/support/troubleshooting/general-troubleshooting/gathering-information-for-troubleshooting-sites/) captured while duplicating the error. - -## Error 1025: Please check back later - -This error indicates that the domain has reached its plan limits for Cloudflare Workers. - -### Common cause - -A request is not serviced because the domain has reached [plan limits for Cloudflare Workers](/workers/platform/limits). - -### Resolution: - -Purchase the Unlimited Workers plan via the [Plans page](https://dash.cloudflare.com/redirect?account=workers/plans) on the Workers dashboard. - -## Error 1033: Argo Tunnel error - -This error indicates an issue with resolving an Argo Tunnel. - -### Common cause - -You have requested a page on a website (`tunnel.example.com`) that is on the Cloudflare network. The host (`tunnel.example.com`) is configured as an Argo Tunnel, and Cloudflare is currently unable to resolve it. - -### Resolution - -- **If you are a visitor of this website**: Please try again in a few minutes. -- **If you are the owner of this website**: Ensure that _cloudflared_ is running and can reach the network. You may wish to enable [load balancing](/cloudflare-one/connections/connect-networks/routing-to-tunnel/lb) for your tunnel. - -## Error 1034: Edge IP Restricted - -This error indicates that the IP address used for the domain is restricted by Cloudflare's edge validation. - -### Common cause - -Customers who previously pointed their domains to `1.1.1.1` will now encounter **1034 error**. This is due to a new edge validation check in Cloudflare's systems to prevent misconfiguration and/or potential abuse. - -### Resolution - -Ensure DNS records are pointed to IP addresses you control, and in the case a placeholder IP address is needed for “originless” setups, use the IPv6 reserved address `100::` or the IPv4 reserved address `192.0.2.0`. - -## Error 1035: Invalid request rewrite (invalid URI path) - -This error indicates an invalid URI path in a request rewrite. - -### Common cause - -The value or expression of your rewritten URI path is not valid. - -This error also occurs when the destination of the URL rewrite is a path under `/cdn-cgi/`. - -### Resolution - -Make sure that the rewritten URI path is not empty and it starts with a `/` (slash) character. - -For example, the following URI path rewrite expression is not valid: - -`concat(lower(ip.src.country), http.request.uri.path)` - -To fix the expression above, add a `/` prefix: - -`concat("/", lower(ip.src.country), http.request.uri.path)` - -## Error 1036: Invalid request rewrite (maximum length exceeded) - -This error indicates that the rewritten URI path or query string exceeds the maximum allowed length. - -### Common cause - -The value or expression of your rewritten URI path or query string is too long. - -### Resolution - -Use a shorter value or expression for the new URI path/query string value. - -## Error 1037: Invalid rewrite rule (failed to evaluate expression) - -This error indicates that the rewrite rule expression could not be evaluated. - -### Common cause - -There are several causes for this error, but it can mean that one expression element contained an undefined value when it was evaluated. - -For example, you get a 1037 error when using the following URL rewrite dynamic expression and the `X-Source` header is not included in the request: - -`http.request.headers["x-source"][0]` - -### Resolution - -Make sure that all the elements of your rewrite expression are defined. For example, if you are referring to a header value, ensure the header is set. - -## Error 1040: Invalid request rewrite (header modification not allowed) - -This error indicates that an attempt was made to modify a restricted HTTP header. - -### Common cause - -You are trying to modify an HTTP header that Request Header Transform Rules cannot change. - -### Resolution - -Make sure you are not trying to modify one of the [reserved HTTP request headers](/rules/transform/request-header-modification/#important-remarks). - -## Error 1041: Invalid request rewrite (invalid header value) - -This error indicates that the header value is not valid. - -### Common causes - -The added/modified header value is too long or it contains characters that are not allowed. - -### Resolution - -- Use a shorter value or expression to define the header value. -- Remove the characters that are not allowed. See [Format of HTTP request header names and values](/rules/transform/request-header-modification/reference/header-format/) in Developer Docs for more information on the allowed characters. - -## Error 1101: Rendering error - -This error indicates a rendering issue. - -### Common cause - -This error typically occurs when a Cloudflare Worker encounters a runtime JavaScript exception. - -### Resolution: - -[Provide appropriate issues details](/support/contacting-cloudflare-support/) to Cloudflare Support. - -## Error 1102: Rendering error - -This error indicates that a Cloudflare Worker has exceeded the CPU time limit. - -### Common cause - -A Cloudflare Worker exceeds a [CPU time limit](/workers/observability/errors/). CPU time is the time spent executing code (for example, loops, parsing JSON, etc). Time spent on network requests (fetching, responding) does not count towards CPU time. - -### Resolution - -Contact the developer of your Workers code to optimize code for a reduction in CPU usage in the active Workers scripts. - -## Error 1104: A variation of this email address is already taken in our system. Only one variation is allowed. - -This error indicates that the email address you are trying to add is already taken in the system. - -### Common cause - -This error can occur if an email has been added with some variation of the email you're trying to add. For example, `my+user@example.com` and `my.user@example.com` will be treated the same in our system. - -### Resolution - -Log in as the old user and change email to a "throwaway" address, which will free up the new email. - -## Error 1200: Cache connection limit - -This error indicates that the number of requests queued on Cloudflare's edge exceeds the limit. - -### Common cause - -There are too many requests queued on Cloudflare's edge that are awaiting process by your origin web server. This limit protects Cloudflare's systems. - -### Resolution - -Tune your origin webserver to accept incoming connections faster. Adjust your caching settings to improve cache-hit rates so that fewer requests reach your origin web server. Reach out to your hosting provider or web administrator for assistance. diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1000.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1000.mdx new file mode 100644 index 000000000000000..853fddde95de1d5 --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1000.mdx @@ -0,0 +1,25 @@ +--- +pcx_content_type: troubleshooting +title: Error 1000 +source: null +--- + +## Error 1000: DNS points to prohibited IP + +This error indicates that a Cloudflare DNS record points to a prohibited IP, blocking access to the requested domain. + +### Common causes + +Cloudflare halted the request for one of the following reasons: + +- An A record within your Cloudflare DNS app points to a [Cloudflare IP address](https://www.cloudflare.com/ips/), or a Load Balancer Origin points to a proxied record. +- Your Cloudflare DNS A or CNAME record references another reverse proxy (such as an nginx web server that uses the proxy_pass function) that then proxies the request to Cloudflare a second time. +- The request `X-Forwarded-For` header is longer than 100 characters. +- The request includes two `X-Forwarded-For` headers. +- The request includes a `CF-Connecting-IP` header. +- A Server Name Indication (SNI) issue or mismatch at the origin. + +### Resolution + +- If an A record within your Cloudflare DNS app points to a [Cloudflare IP address](https://www.cloudflare.com/ips/), update the IP address to your origin web server IP address. Reach out to your hosting provider if you need help obtaining the origin IP address. +- There is a reverse-proxy at your origin that sends the request back through the Cloudflare proxy. Instead of using a reverse-proxy, contact your hosting provider or site administrator to configure an HTTP redirect at your origin. \ No newline at end of file diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1001.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1001.mdx new file mode 100644 index 000000000000000..608b704b045b622 --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1001.mdx @@ -0,0 +1,25 @@ +--- +pcx_content_type: troubleshooting +title: Error 1001 +source: null +--- + +## Error 1001: DNS resolution error + +This error indicates a DNS resolution failure preventing access to the requested domain. + +### Common causes + +- A web request was sent to a Cloudflare IP address for a non-existent Cloudflare domain. +- An external domain that is not on using Cloudflare has a CNAME record to a domain active on Cloudflare +- The target of the DNS CNAME record does not resolve. +- A CNAME record in your Cloudflare DNS app requires resolution via a DNS provider that is currently offline. +- [Always Online](/cache/how-to/always-online/) is enabled for a [Custom Hostname (Cloudflare for SaaS)](/cloudflare-for-platforms/cloudflare-for-saas/) domain. + +### Resolution + +A non-Cloudflare domain cannot CNAME to a Cloudflare domain, unless the non-Cloudflare domain is added to a Cloudflare account. + +Attempting to directly access DNS records used for [Cloudflare CNAME setups](/dns/zone-setups/partial-setup) also causes error 1001. For example, `www.example.com.cdn.cloudflare.net`. + +Disable [Always Online](/cache/how-to/always-online/#enable-always-online), if using [Custom Hostname (Cloudflare for SaaS)](/cloudflare-for-platforms/cloudflare-for-saas/) domain. diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1002.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1002.mdx new file mode 100644 index 000000000000000..f876ecfabdd8fae --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1002.mdx @@ -0,0 +1,47 @@ +--- +pcx_content_type: troubleshooting +title: Error 1002 +source: null +--- + +## Error 1002: DNS points to Prohibited IP + +This error indicates that a Cloudflare DNS record points to a prohibited IP, preventing proper domain resolution. + +### Common causes + +- A DNS record in your Cloudflare DNS app points to one of [Cloudflare's IP addresses](https://www.cloudflare.com/ips/). +- An incorrect target is specified for a CNAME record in your Cloudflare DNS app. +- Your domain is not on Cloudflare but has a CNAME that refers to a Cloudflare domain. + +### Resolution + +Update your Cloudflare A or CNAME record to point to your origin IP address instead of a Cloudflare IP address: + +1. Contact your hosting provider to confirm your origin IP address or CNAME record target. +2. Log in to your Cloudflare account. +3. Select the domain that generates error 1002. +4. Select the **DNS** app. +5. Click **Value** for the A record to update. +6. Update the A record. + +To ensure your origin web server does not proxy its own requests through Cloudflare, configure your origin webserver to resolve your Cloudflare domain to: + +- The internal NAT'd IP address, or +- The public IP address of the origin web server. + +## Error 1002: Restricted + +This error indicates that the domain resolves to a restricted or disallowed IP address. + +### Common cause + +The Cloudflare domain resolves to a local or disallowed IP address or an IP address not associated with the domain. + +### Resolution + +If you own the website: + +1. Confirm your origin web server IP addresses with your hosting provider, +2. Log in to your Cloudflare account, and +3. Update the A records in the Cloudflare DNS app to the IP address confirmed by your hosting provider. diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1003.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1003.mdx new file mode 100644 index 000000000000000..1e8b243a647223b --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1003.mdx @@ -0,0 +1,17 @@ +--- +pcx_content_type: troubleshooting +title: Error 1003 +source: null +--- + +## Error 1003 Access Denied: Direct IP Access Not Allowed + +This error indicates that direct access to a Cloudflare IP address is not allowed. + +### Common cause + +A client or browser directly accesses a [Cloudflare IP address](https://www.cloudflare.com/ips). + +### Resolution + +Browse to the website domain name in your URL instead of the Cloudflare IP address. diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1004.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1004.mdx new file mode 100644 index 000000000000000..cfe46793458a4e4 --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1004.mdx @@ -0,0 +1,19 @@ +--- +pcx_content_type: troubleshooting +title: Error 1004 +source: null +--- + +## Error 1004: Host Not Configured to Serve Web Traffic + +This error indicates that the host is not configured to serve web traffic. + +### Common causes + +- Cloudflare staff disabled proxying for the domain due to abuse or terms of service violations. +- DNS changes have not yet propagated or the site owner's DNS A records point to [Cloudflare IP addresses](https://www.cloudflare.com/ips). + +### Resolution + +If the issue persists beyond five minutes, [contact Cloudflare Support](/support/contacting-cloudflare-support/). + diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1005.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1005.mdx new file mode 100644 index 000000000000000..73074152622d983 --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1005.mdx @@ -0,0 +1,28 @@ +--- +pcx_content_type: troubleshooting +title: Error 1005 +source: null +--- + +## Errors 1005 Access Denied: Autonomous System Number (ASN) banned + +This error indicates that access to the website is denied due to the banning of the Autonomous System Number (ASN). + +### Common causes + +The owner of the website (for example, `example.com`) has banned the autonomous system number (ASN) from accessing the website. + +### Resolution + +If you are not the website owner, provide the website owner with a screenshot of the 1005 error message you received. + +If you are the website owner: + +1. Retrieve a screenshot of the `1005` error from your customer +2. Search the [**Security Events log**](/waf/analytics/security-events/) (available at **Security** > **Events**) for the **RayID**, or client IP Address from the visitor's 1005 error message. + +:::note +Convert the UTC timestamp of the `1005` error to your local timezone when searching in the **Security Events log**. +::: + +3. Assess the cause of the block and ensure the ASN is allowed under the [IP Access Rules](/waf/tools/ip-access-rules/) security feature. diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1006.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1006.mdx new file mode 100644 index 000000000000000..5e1d45303f72578 --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1006.mdx @@ -0,0 +1,22 @@ +--- +pcx_content_type: troubleshooting +title: Error 1006, 1007, 1008 or 1106 +source: null +--- + +## Errors 1006, 1007, 1008 or 1106 Access Denied: Your IP address has been banned + +This error indicates that access is denied because your IP address has been banned. + +### Common causes + +A Cloudflare customer blocked traffic from your client or browser. + +:::note + +Error 1006 also occurs in the Cloudflare **Workers** app under the **Preview** tab when a customer uses **[Zone Lockdown](/waf/tools/zone-lockdown/)** or any other Cloudflare security feature to block the Google Cloud Platform IPs that the **Preview** tab relies upon. +::: + +### Resolution + +Request the website owner to investigate their Cloudflare security settings or allow your client IP address. Since the website owner blocked your request, Cloudflare support cannot override a customer's security settings. diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1009.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1009.mdx new file mode 100644 index 000000000000000..f218c2d9c71950d --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1009.mdx @@ -0,0 +1,18 @@ +--- +pcx_content_type: troubleshooting +title: Error 1009 +source: null +--- + +## Errors 1009 Access Denied: Country or region banned + +This error indicates that access to the website is denied from your country or region. + +### Common causes + +The owner of the website (for example, `example.com`) has banned the country or region your IP address from accessing the website. + +### Resolution + +Ensure your IP address is allowed under the [IP Access Rules](/waf/tools/ip-access-rules/) security feature. + diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1010.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1010.mdx new file mode 100644 index 000000000000000..4663655188c1142 --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1010.mdx @@ -0,0 +1,21 @@ +--- +pcx_content_type: troubleshooting +title: Error 1010 +source: null +--- + +## Error 1010: The owner of this website has banned your access based on your browser's signature + +This error indicates that access to the website is denied based on your browser's signature. + +### Common cause + +A website owner blocked your request based on your client's web browser. + +### Resolution + +Notify the website owner of the blocking. If you cannot determine how to contact the website owner, lookup contact information for the domain via the [Whois database](https://lookup.icann.org/). Site owners disable **Browser** **Integrity Check** via the **Settings** tab of the **Security** app. + +:::note +Since the website owner performed the blocking, Cloudflare support cannot override a customer's security settings. +::: diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1011.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1011.mdx new file mode 100644 index 000000000000000..867f169d715d6ea --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1011.mdx @@ -0,0 +1,21 @@ +--- +pcx_content_type: troubleshooting +title: Error 1011 +source: null +--- + +## Error 1011: Access Denied (Hotlinking Denied) + +This error indicates that access to the resource is denied due to hotlinking protection. + +### Common cause + +A request is made for a resource that uses [Cloudflare hotlink protection](/waf/tools/scrape-shield/hotlink-protection/). + +### Resolution + +Notify the website owner of the blocking. If you cannot determine how to contact the website owner, lookup contact information for the domain via the [Whois database](https://lookup.icann.org/). **Hotlink Protection** is managed via the Cloudflare **Scrape Shield** app. + +:::note +Since the website owner performed the blocking, Cloudflare support cannot override a customer's security settings. +::: diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1012.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1012.mdx new file mode 100644 index 000000000000000..a1c63b0cc31b1dc --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1012.mdx @@ -0,0 +1,21 @@ +--- +pcx_content_type: troubleshooting +title: Error 1012 +source: null +--- + +## Error 1012: Access Denied + +This error indicates that access to the website is denied. + +### Common cause + +A website owner forbids access based on malicious activity detected from the visitor's computer or network (ip_address). The most likely cause is a virus or malware infection on the visitor's computer. + +### Resolution + +Update your antivirus software and run a full system scan. Cloudflare can not override the security settings the site owner has set for the domain. To request website access, contact the site owner to allow your IP address. If you cannot determine how to contact the website owner, lookup contact information for the domain via the [Whois database](https://lookup.icann.org/). + +:::note +Since the website owner performed the blocking, Cloudflare support cannot override a customer's security settings. +::: diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1013.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1013.mdx new file mode 100644 index 000000000000000..c95a2cdca61c52d --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1013.mdx @@ -0,0 +1,28 @@ +--- +pcx_content_type: troubleshooting +title: Error 1013 +source: null +--- + +import { GlossaryTooltip } from "~/components"; + +## Error 1013: HTTP hostname and TLS SNI hostname mismatch + +This error indicates a mismatch between the HTTP hostname and the TLS SNI hostname. + +### Common cause + +The hostname sent by the client or browser via Server Name Indication (SNI) does not match the request host header. + +### Resolution + +Error `1013` is commonly caused by the following: + +- Your local browser setting the incorrect SNI host header, or +- A network proxying SSL traffic caused a mismatch between SNI and the Host header of the request. + +Test for an SNI mismatch via an online tool, such as [SSL Shopper](https://www.sslshopper.com/ssl-checker.html). + +Provide Cloudflare Support the following information: + +- A [HAR file](/support/troubleshooting/general-troubleshooting/gathering-information-for-troubleshooting-sites/) captured while duplicating the error. diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1014.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1014.mdx new file mode 100644 index 000000000000000..d2819e09a6997db --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1014.mdx @@ -0,0 +1,24 @@ +--- +pcx_content_type: troubleshooting +title: Error 1014 +source: null +--- + +## Error 1014: CNAME Cross-User Banned + +This error indicates that a CNAME record between domains in different Cloudflare accounts is prohibited. + +### Common cause + +By default, Cloudflare prohibits a DNS CNAME record between domains in different Cloudflare accounts. CNAME records are permitted within a domain ([`www.example.com`](http://www.example.com) CNAME to `api.example.com`) and across zones within the same user account ([`www.example.com`](http://www.example.com) CNAME to [`www.example.net`](http://www.example.net)) or using our [Cloudflare for SaaS](https://www.cloudflare.com/saas/) solution. + +Another common cause is connecting a custom domain to an R2 bucket, where the domain is an active zone with the [zone hold](/fundamentals/setup/account/account-security/zone-holds/) feature enabled. + +:::caution +[Cloudflare Apps](https://www.cloudflare.com/apps/) are not currently supported by [Cloudflare for SaaS](/cloudflare-for-platforms/cloudflare-for-saas/), therefore any app using a domain configured on our SaaS solution may produce 1014 errors. +::: + +### Resolution + +- To allow CNAME record resolution to a domain in a different Cloudflare account, the domain owner of the CNAME target must use [Cloudflare for SaaS](/cloudflare-for-platforms/cloudflare-for-saas/). +- To allow connecting to a R2 bucket with a custom domain, disable the [zone hold](/fundamentals/setup/account/account-security/zone-holds/) feature on the custom domain target zone to resolve the 1014 error. diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1015.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1015.mdx new file mode 100644 index 000000000000000..3bce018e9ba2bde --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1015.mdx @@ -0,0 +1,27 @@ +--- +pcx_content_type: troubleshooting +title: Error 1015 +source: null +--- + +## Error 1015: You are being rate limited + +This error indicates that you are being rate limited by the website. + +### Common cause + +The site owner implemented [Rate Limiting](/waf/reference/legacy/old-rate-limiting/) that affects your visitor traffic. + +:::note +_Unable to purge_ is another `1015` error code relating to [Cloudflare cache purge](/cache/how-to/purge-cache). Retry the cache purge and contact [Cloudflare support](/support/contacting-cloudflare-support/) if errors persist. +::: + +### Resolution + +- If you are a site visitor, contact the site owner to request exclusion of your IP from rate limiting. +- If you are the site owner, review [Cloudflare Rate Limiting thresholds](/waf/reference/legacy/old-rate-limiting/) and adjust your Rate Limiting configuration. +- If your Rate Limiting blocks requests in a short time period (for example, one second) try increasing the time period to 10 seconds. + +:::note +If you expect a new Cloudflare Worker to exceed rate limits, refer to the [Workers documentation](/workers platform/limits) for guidance. +::: diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1016.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1016.mdx new file mode 100644 index 000000000000000..0fbe8a8c02dbfc7 --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1016.mdx @@ -0,0 +1,28 @@ +--- +pcx_content_type: troubleshooting +title: Error 1016 +source: null +--- + +## Error 1016: Origin DNS error + +This error indicates that Cloudflare cannot resolve the origin web server's IP address. + +### Common cause + +Common causes for error `1016` are: + +- A missing DNS A record that mentions origin IP address. +- A CNAME record in the Cloudflare DNS points to an unresolvable external domain. +- The origin hostnames (CNAMEs) in your Cloudflare [Load Balancer](/load-balancing/) default, region, and fallback pools are unresolvable. Use a fallback pool configured with an origin IP as a backup in case all other pools are unavailable. +- When creating a Spectrum app with a CNAME origin, you need first to create a CNAME on the Cloudflare DNS side that points to the origin. Please see [Spectrum CNAME origins](/spectrum/get-started/#create-a-spectrum-application-using-a-cname-record) for more details. +- There is no DNS record for the hostname in the Cloudflare for SaaS target zone. +- There is no DNS record for the hostname in the target [Partial (CNAME) setup zone](/dns/zone-setups/partial-setup/) of a Workers subrequest ([Fetch API](/workers/runtime-apis/fetch/)). + +### Resolution + +To resolve error `1016`: + +1. Verify your Cloudflare DNS settings include an A record that points to a valid IP address that resolves via a [DNS lookup tool](https://dnschecker.org/). +2. For a CNAME record pointing to a different domain, ensure that the target domain resolves via a [DNS lookup tool](https://dnschecker.org/). +3. For a Workers subrequest to a Partial (CNAME) setup zone, ensure that the hostname exists on the Cloudflare zone (and not only at the authoritative DNS) diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1018.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1018.mdx new file mode 100644 index 000000000000000..6adc9916c228d58 --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1018.mdx @@ -0,0 +1,26 @@ +--- +pcx_content_type: troubleshooting +title: Error 1018 +source: null +--- + +## Error 1018: Could not find host + +This error indicates that the host could not be found. + +### Common causes + +- The Cloudflare domain was recently activated and there is a delay propagating the domain's settings to the Cloudflare edge network. +- The Cloudflare domain was created via a Cloudflare partner (for example, a hosting provider) and the provider's DNS failed. + +:::note +Error 1018 is returned via a HTTP `409` response code. +::: + +### Resolution + +Contact [Cloudflare Support](/support/contacting-cloudflare-support/) with the following details: + +- Your domain name. +- A screenshot of the `1018` error including the **RayID** mentioned in the error message. +- A [HAR file](/support/troubleshooting/general-troubleshooting/gathering-information-for-troubleshooting-sites/) captured while duplicating the error. diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1019.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1019.mdx new file mode 100644 index 000000000000000..cdfec4a36da8a89 --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1019.mdx @@ -0,0 +1,17 @@ +--- +pcx_content_type: troubleshooting +title: Error 1019 +source: null +--- + +## Error 1019: Compute server error + +This error indicates a compute server error related to a Cloudflare Worker. + +### Common cause + +A Cloudflare Worker script recursively references itself. + +### Resolution + +Ensure your Cloudflare Worker does not access a URL that calls the same Workers script. diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1020.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1020.mdx new file mode 100644 index 000000000000000..1fc66c0a71e414b --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1020.mdx @@ -0,0 +1,30 @@ +--- +pcx_content_type: troubleshooting +title: Error 1020 +source: null +--- + +## Error 1020: Access denied + +This error indicates that access to the website is denied by a Cloudflare firewall rule. + +### Common cause + +A client or browser is blocked by a Cloudflare customer's Firewall Rules (deprecated). + +### Resolution + +If you are not the website owner, provide the website owner with a screenshot of the `1020` error message you received. + +If you are the website owner: + +1. Retrieve a screenshot of the 1020 error from your customer. +2. Search the [**Security Events log**](/waf/analytics/security-events/) (available at **Security** > **Events**) for the **RayID** or client IP Address from the visitor's 1020 error message. + +:::note +Convert the UTC timestamp of the `1020` error to your local timezone when +searching in the **Security Events log**. +::: + +3. Assess the cause of the block and either update the **Firewall Rule** or allow the visitor's IP address in [**IP Access Rules**](/waf/tools/ip-access-rules/). + diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1023.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1023.mdx new file mode 100644 index 000000000000000..fa69ac68dbc550f --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1023.mdx @@ -0,0 +1,26 @@ +--- +pcx_content_type: troubleshooting +title: Error 1023 +source: null +--- + +## Error 1023: Could not find host + +This error indicates that the host could not be found due to a configuration issue or propagation delay. + +### Common causes + +- If the owner just signed up for Cloudflare it can take a few minutes for the website's information to be distributed to our global network. Something is wrong with the site's configuration. +- Usually, this happens when accounts have been signed up with a partner organization (for example, hosting provider) and the provider's DNS fails. + +:::note +Error `1023` is returned via a HTTP `409` response code. +::: + +### Resolution + +Contact [Cloudflare Support](/support/contacting-cloudflare-support/) with the following details: + +- Your domain name. +- A screenshot of the `1023` error including the **RayID** mentioned in the error message. +- A [HAR file](/support/troubleshooting/general-troubleshooting/gathering-information-for-troubleshooting-sites/) captured while duplicating the error. diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1025.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1025.mdx new file mode 100644 index 000000000000000..5b3cc3272f1dc7a --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1025.mdx @@ -0,0 +1,17 @@ +--- +pcx_content_type: troubleshooting +title: Error 1025 +source: null +--- + +## Error 1025: Please check back later + +This error indicates that the domain has reached its plan limits for Cloudflare Workers. + +### Common cause + +A request is not serviced because the domain has reached [plan limits for Cloudflare Workers](/workers/platform/limits). + +### Resolution: + +Purchase the Unlimited Workers plan via the [Plans page](https://dash.cloudflare.com/redirect?account=workers/plans) on the Workers dashboard. diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1033.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1033.mdx new file mode 100644 index 000000000000000..93fd2493003d304 --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1033.mdx @@ -0,0 +1,18 @@ +--- +pcx_content_type: troubleshooting +title: Error 1033 +source: null +--- + +## Error 1033: Argo Tunnel error + +This error indicates an issue with resolving an Argo Tunnel. + +### Common cause + +You have requested a page on a website (`tunnel.example.com`) that is on the Cloudflare network. The host (`tunnel.example.com`) is configured as an Argo Tunnel, and Cloudflare is currently unable to resolve it. + +### Resolution + +- **If you are a visitor of this website**: Please try again in a few minutes. +- **If you are the owner of this website**: Ensure that _cloudflared_ is running and can reach the network. You may wish to enable [load balancing](/cloudflare-one/connections/connect-networks/routing-to-tunnel/lb) for your tunnel. diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1034.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1034.mdx new file mode 100644 index 000000000000000..494e20c986778fe --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1034.mdx @@ -0,0 +1,18 @@ +--- +pcx_content_type: troubleshooting +title: Error 1034 +source: null +--- + +## Error 1034: Edge IP Restricted + +This error indicates that the IP address used for the domain is restricted by Cloudflare's edge validation. + +### Common cause + +Customers who previously pointed their domains to `1.1.1.1` will now encounter `1034` error. This is due to a new edge validation check in Cloudflare's systems to prevent misconfiguration and/or potential abuse. + +### Resolution + +Ensure DNS records are pointed to IP addresses you control, and in the case a placeholder IP address is needed for “originless” setups, use the IPv6 reserved address `100::` or the IPv4 reserved address `192.0.2.0`. + diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1035.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1035.mdx new file mode 100644 index 000000000000000..aec908aae87d79f --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1035.mdx @@ -0,0 +1,27 @@ +--- +pcx_content_type: troubleshooting +title: Error 1035 +source: null +--- + +## Error 1035: Invalid request rewrite (invalid URI path) + +This error indicates an invalid URI path in a request rewrite. + +### Common cause + +The value or expression of your rewritten URI path is not valid. + +This error also occurs when the destination of the URL rewrite is a path under `/cdn-cgi/`. + +### Resolution + +Make sure that the rewritten URI path is not empty and it starts with a `/` (slash) character. + +For example, the following URI path rewrite expression is not valid: + +`concat(lower(ip.src.country), http.request.uri.path)` + +To fix the expression above, add a `/` prefix: + +`concat("/", lower(ip.src.country), http.request.uri.path)` \ No newline at end of file diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1036.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1036.mdx new file mode 100644 index 000000000000000..2ff8eb9e45b7462 --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1036.mdx @@ -0,0 +1,17 @@ +--- +pcx_content_type: troubleshooting +title: Error 1036 +source: null +--- + +## Error 1036: Invalid request rewrite (maximum length exceeded) + +This error indicates that the rewritten URI path or query string exceeds the maximum allowed length. + +### Common cause + +The value or expression of your rewritten URI path or query string is too long. + +### Resolution + +Use a shorter value or expression for the new URI path/query string value. diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1037.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1037.mdx new file mode 100644 index 000000000000000..2641c4ad590dd02 --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1037.mdx @@ -0,0 +1,21 @@ +--- +pcx_content_type: troubleshooting +title: Error 1037 +source: null +--- + +## Error 1037: Invalid rewrite rule (failed to evaluate expression) + +This error indicates that the rewrite rule expression could not be evaluated. + +### Common cause + +There are several causes for this error, but it can mean that one expression element contained an undefined value when it was evaluated. + +For example, you get a 1037 error when using the following URL rewrite dynamic expression and the `X-Source` header is not included in the request: + +`http.request.headers["x-source"][0]` + +### Resolution + +Make sure that all the elements of your rewrite expression are defined. For example, if you are referring to a header value, ensure the header is set. diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1040.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1040.mdx new file mode 100644 index 000000000000000..3eee6fb717605df --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1040.mdx @@ -0,0 +1,18 @@ +--- +pcx_content_type: troubleshooting +title: Error 1040 +source: null +--- + +## Error 1040: Invalid request rewrite (header modification not allowed) + +This error indicates that an attempt was made to modify a restricted HTTP header. + +### Common cause + +You are trying to modify an HTTP header that Request Header Transform Rules cannot change. + +### Resolution + +Make sure you are not trying to modify one of the [reserved HTTP request headers](/rules/transform/request-header-modification/#important-remarks). + diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1041.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1041.mdx new file mode 100644 index 000000000000000..45b664c95bdd6b3 --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1041.mdx @@ -0,0 +1,18 @@ +--- +pcx_content_type: troubleshooting +title: Error 1041 +source: null +--- + +## Error 1041: Invalid request rewrite (invalid header value) + +This error indicates that the header value is not valid. + +### Common causes + +The added/modified header value is too long or it contains characters that are not allowed. + +### Resolution + +- Use a shorter value or expression to define the header value. +- Remove the characters that are not allowed. Refet to [Format of HTTP request header names and values](/rules/transform/request-header-modification/reference/header-format/) in Developer Docs for more information on the allowed characters. diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1101.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1101.mdx new file mode 100644 index 000000000000000..d2359d4e738881c --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1101.mdx @@ -0,0 +1,17 @@ +--- +pcx_content_type: troubleshooting +title: Error 1101 +source: null +--- + +## Error 1101: Rendering error + +This error indicates a rendering issue. + +### Common cause + +This error typically occurs when a Cloudflare Worker encounters a runtime JavaScript exception. + +### Resolution: + +[Provide appropriate issues details](/support/contacting-cloudflare-support/) to Cloudflare Support. diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1102.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1102.mdx new file mode 100644 index 000000000000000..1480743175a8ab2 --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1102.mdx @@ -0,0 +1,18 @@ +--- +pcx_content_type: troubleshooting +title: Error 1102 +source: null +--- + +## Error 1102: Rendering error + +This error indicates that a Cloudflare Worker has exceeded the CPU time limit. + +### Common cause + +A Cloudflare Worker exceeds a [CPU time limit](/workers/observability/errors/). CPU time is the time spent executing code (for example, loops, parsing JSON, etc). Time spent on network requests (fetching, responding) does not count towards CPU time. + +### Resolution + +Contact the developer of your Workers code to optimize code for a reduction in CPU usage in the active Workers scripts. + diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1104.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1104.mdx new file mode 100644 index 000000000000000..6efecaa9cb5b56d --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1104.mdx @@ -0,0 +1,17 @@ +--- +pcx_content_type: troubleshooting +title: Error 1104 +source: null +--- + +## Error 1104: A variation of this email address is already taken in our system. Only one variation is allowed. + +This error indicates that the email address you are trying to add is already taken in the system. + +### Common cause + +This error can occur if an email has been added with some variation of the email you're trying to add. For example, `my+user@example.com` and `my.user@example.com` will be treated the same in our system. + +### Resolution + +Log in as the old user and change email to a "throwaway" address, which will free up the new email. diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1200.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1200.mdx new file mode 100644 index 000000000000000..b6a046d3341cdf1 --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1200.mdx @@ -0,0 +1,17 @@ +--- +pcx_content_type: troubleshooting +title: Error 1200 +source: null +--- + +## Error 1200: Cache connection limit + +This error indicates that the number of requests queued on Cloudflare's edge exceeds the limit. + +### Common cause + +There are too many requests queued on Cloudflare's edge that are awaiting process by your origin web server. This limit protects Cloudflare's systems. + +### Resolution + +Tune your origin webserver to accept incoming connections faster. Adjust your caching settings to improve cache-hit rates so that fewer requests reach your origin web server. Reach out to your hosting provider or web administrator for assistance. diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/index.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/index.mdx new file mode 100644 index 000000000000000..42f5af9f3b8e336 --- /dev/null +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/index.mdx @@ -0,0 +1,154 @@ +--- +pcx_content_type: troubleshooting +title: Cloudflare 1XXX errors +source: null +--- + +The errors covered in this document may occur when accessing a website proxied by Cloudflare. For issues related to the Cloudflare API or dashboard, refer to our [Cloudflare API documentation](/api/). + +HTTP errors such as `409`, `530`, `403`, and `429` are returned in the HTTP status header of a response, while 1XXX errors appear in the HTML body of the response. + +:::note[Customize error pages] +Refer to [Custom Errors](/rules/custom-errors/) for instructions on customizing the default error pages discussed in this article. +::: + +### Support and assistance + +If the suggested resolutions for each error do not resolve the issue, contact [Cloudflare Support](/support/contacting-cloudflare-support/). + +- Only the website owner can contact Cloudflare for technical support. You can find a domain's contact details via the [Whoisdatabase](https://lookup.icann.org/). +- Pro, Business and Enterprise plan users have access to email support. +- Business and Enterprise users can also access chat support. +- For additional support options, refer to the [Cloudflare plans](https://www.cloudflare.com/plans/). + +## Error 1000: DNS points to prohibited IP + +For a complete description of this error refer to the [Error 1000](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1000/) page. + +## Error 1001: DNS resolution error + +For a complete description of this error refer to the [Error 1001](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1001/) page. + + +## Error 1002: DNS points to Prohibited IP + +For a complete description of this error refer to the [Error 1002: DNS points to Prohibited IP](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1002/#error-1002-dns-points-to-prohibited-ip) page. + +## Error 1002: Restricted + +For a complete description of this error refer to the [Error 1002: Restricted](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1002/#error-1002-restricted) page. + +## Error 1003 Access Denied: Direct IP Access Not Allowed + +For a complete description of this error refer to the [Error 1003](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1003/) page. + +## Error 1004: Host Not Configured to Serve Web Traffic + +For a complete description of this error refer to the [Error 1004](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1004/) page. + +## Errors 1005 Access Denied: Autonomous System Number (ASN) banned + +For a complete description of this error refer to the [Error 1005](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1005/) page. + +## Errors 1006, 1007, 1008 or 1106 Access Denied: Your IP address has been banned + +For a complete description of this error refer to the [Error 1006, 1007, 1008 or 1106](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1006/) page. + +## Errors 1009 Access Denied: Country or region banned + +For a complete description of this error refer to the [Error 1009](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1009/) page. + +## Error 1010: The owner of this website has banned your access based on your browser's signature + +For a complete description of this error refer to the [Error 1010](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1010/) page. + +## Error 1011: Access Denied (Hotlinking Denied) + +For a complete description of this error refer to the [Error 1011](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1011/) page. + +## Error 1012: Access Denied + +For a complete description of this error refer to the [Error 1012](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1012/) page. + +## Error 1013: HTTP hostname and TLS SNI hostname mismatch + +For a complete description of this error refer to the [Error 1013](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1013/) page. + +## Error 1014: CNAME Cross-User Banned + +For a complete description of this error refer to the [Error 1014](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1014/) page. + +## Error 1015: You are being rate limited + +For a complete description of this error refer to the [Error 1015](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1015/) page. + + +## Error 1016: Origin DNS error + +For a complete description of this error refer to the [Error 1016](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1016/) page. + + +## Error 1018: Could not find host + +For a complete description of this error refer to the [Error 1018](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1018/) page. + +## Error 1019: Compute server error + +For a complete description of this error refer to the [Error 1019](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1019/) page. + +## Error 1020: Access denied + +For a complete description of this error refer to the [Error 1020](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1020/) page. + +## Error 1023: Could not find host + +For a complete description of this error refer to the [Error 1023](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1023/) page. + +## Error 1025: Please check back later + +For a complete description of this error refer to the [Error 1025](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1025/) page. + +## Error 1033: Argo Tunnel error + +For a complete description of this error refer to the [Error 1033](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1033/) page. + +## Error 1034: Edge IP Restricted + +For a complete description of this error refer to the [Error 1034](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1034/) page. + +## Error 1035: Invalid request rewrite (invalid URI path) + +For a complete description of this error refer to the [Error 1035](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1035/) page. + +## Error 1036: Invalid request rewrite (maximum length exceeded) + +For a complete description of this error refer to the [Error 1036](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1036/) page. + +## Error 1037: Invalid rewrite rule (failed to evaluate expression) + +For a complete description of this error refer to the [Error 1037](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1037/) page. + +## Error 1040: Invalid request rewrite (header modification not allowed) + +For a complete description of this error refer to the [Error 1040](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1040/) page. + +## Error 1041: Invalid request rewrite (invalid header value) + +For a complete description of this error refer to the [Error 1041](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1041/) page. + +## Error 1101: Rendering error + +For a complete description of this error refer to the [Error 1101](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1101/) page. + +## Error 1102: Rendering error + +For a complete description of this error refer to the [Error 1102](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1102/) page. + +## Error 1104: A variation of this email address is already taken in our system. Only one variation is allowed. + +For a complete description of this error refer to the [Error 1104](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1104/) page. + +## Error 1200: Cache connection limit + +For a complete description of this error refer to the [Error 1200](/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1200/) page. + From 1586ba242fa5058bcc794fd09a382b2dce7cba91 Mon Sep 17 00:00:00 2001 From: angelampcosta <92738954+angelampcosta@users.noreply.github.com> Date: Tue, 13 May 2025 17:11:47 +0100 Subject: [PATCH 2/2] Apply suggestions from code review --- .../http-status-codes/cloudflare-1xxx-errors/error-1016.mdx | 2 +- .../http-status-codes/cloudflare-1xxx-errors/error-1033.mdx | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1016.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1016.mdx index 0fbe8a8c02dbfc7..1a8012c1670ef1d 100644 --- a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1016.mdx +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1016.mdx @@ -25,4 +25,4 @@ To resolve error `1016`: 1. Verify your Cloudflare DNS settings include an A record that points to a valid IP address that resolves via a [DNS lookup tool](https://dnschecker.org/). 2. For a CNAME record pointing to a different domain, ensure that the target domain resolves via a [DNS lookup tool](https://dnschecker.org/). -3. For a Workers subrequest to a Partial (CNAME) setup zone, ensure that the hostname exists on the Cloudflare zone (and not only at the authoritative DNS) +3. For a Workers subrequest to a Partial (CNAME) setup zone, ensure that the hostname exists on the Cloudflare zone (and not only at the authoritative DNS). diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1033.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1033.mdx index 93fd2493003d304..6fc1815d15896ca 100644 --- a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1033.mdx +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1033.mdx @@ -14,5 +14,5 @@ You have requested a page on a website (`tunnel.example.com`) that is on the Clo ### Resolution -- **If you are a visitor of this website**: Please try again in a few minutes. +- **If you are a visitor to this website**: Please try again in a few minutes. - **If you are the owner of this website**: Ensure that _cloudflared_ is running and can reach the network. You may wish to enable [load balancing](/cloudflare-one/connections/connect-networks/routing-to-tunnel/lb) for your tunnel.