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[ZT] APIRequest in Secure Internet Traffic (#24468)
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‎src/content/docs/learning-paths/secure-internet-traffic/build-dns-policies/create-list.mdx

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@@ -5,7 +5,7 @@ sidebar:
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order: 2
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---
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import { Tabs, TabItem } from "~/components";
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import { Tabs, TabItem, APIRequest } from "~/components";
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In the context of DNS filtering, a blocklist is a list of known harmful domains or IP addresses. An allowlist is a list of allowed domains or IP addresses, such as the domains of essential corporate applications.
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@@ -27,22 +27,20 @@ The following DNS policy will allow access to all approved corporate domains inc
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<TabItem label="API">
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```sh
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curl https://api.cloudflare.com/client/v4/accounts/$ACCOUNT_ID/gateway/rules \
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--header 'Content-Type: application/json' \
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--header "Authorization: Bearer <API_TOKEN>" \
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--data '{
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"name": "All-DNS-CorporateDomain-AllowList",
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"description": "Allow access to the corporate domains defined under the Corporate Domains list",
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"precedence": 1,
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"enabled": true,
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"action": "allow",
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"filters": [
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"dns"
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],
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"traffic": "any(dns.domains[*] in $<CORPORATE_DOMAINS_LIST_UUID>)"
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}'
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```
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<APIRequest
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path="/accounts/{account_id}/gateway/rules"
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method="POST"
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json={{
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name: "All-DNS-CorporateDomain-AllowList",
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description:
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"Allow access to the corporate domains defined under the Corporate Domains list",
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precedence: 1,
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enabled: true,
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action: "allow",
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filters: ["dns"],
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traffic: "any(dns.domains[*] in $<CORPORATE_DOMAINS_LIST_UUID>)",
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}}
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/>
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</TabItem>
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‎src/content/docs/learning-paths/secure-internet-traffic/build-dns-policies/create-policy.mdx

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@@ -5,7 +5,7 @@ sidebar:
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order: 1
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---
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import { Render, Tabs, TabItem } from "~/components";
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import { Render, Tabs, TabItem, APIRequest } from "~/components";
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DNS policies determine how Gateway should handle a DNS request. When a user sends a DNS request, Gateway matches the request against your filters and either allows the query to resolve, blocks the query, or responds to the query with a different IP.
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@@ -36,26 +36,26 @@ For more information, refer to [DNS policies](/cloudflare-one/policies/gateway/d
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To create a new DNS policy using cURL:
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```sh
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curl https://api.cloudflare.com/client/v4/accounts/$ACCOUNT_ID/gateway/rules \
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--header 'Content-Type: application/json' \
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--header "Authorization: Bearer <API_TOKEN>" \
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--data '{
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"name": "All-DNS-SecurityCategories-Blocklist",
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"description": "Block known security risks based on Cloudflare's threat intelligence",
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"precedence": 0,
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"enabled": true,
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"action": "block",
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"filters": [
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"dns"
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],
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"traffic": "any(dns.security_category[*] in {68 178 80 83 176 175 117 131 134 151 153})",
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"rule_settings": {
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"block_page_enabled": true,
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"block_reason": "This domain was blocked due to being classified as a security risk to your organization"
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}
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}'
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```
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<APIRequest
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path="/accounts/{account_id}/gateway/rules"
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method="POST"
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json={{
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name: "All-DNS-SecurityCategories-Blocklist",
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description:
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"Block known security risks based on Cloudflare's threat intelligence",
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precedence: 0,
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enabled: true,
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action: "block",
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filters: ["dns"],
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traffic:
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"any(dns.security_category[*] in {68 178 80 83 176 175 117 131 134 151 153})",
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rule_settings: {
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block_page_enabled: true,
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block_reason:
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"This domain was blocked due to being classified as a security risk to your organization",
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},
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}}
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/>
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</TabItem>
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‎src/content/docs/learning-paths/secure-internet-traffic/build-dns-policies/recommended-dns-policies.mdx

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@@ -5,7 +5,7 @@ sidebar:
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order: 3
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---
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import { Render, Tabs, TabItem } from "~/components";
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import { Render, Tabs, TabItem, APIRequest } from "~/components";
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We recommend you add the following DNS policies to build an Internet and SaaS app security strategy for your organization.
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<TabItem label="API">
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```sh
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curl https://api.cloudflare.com/client/v4/accounts/$ACCOUNT_ID/gateway/rules \
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--header "Content-Type: application/json" \
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--header "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \
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--data '{
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"name": "All-DNS-Domain-Allowlist",
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"description": "Allowlist any known domains and hostnames",
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"precedence": 0,
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"enabled": true,
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"action": "allow",
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"filters": [
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"dns"
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],
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"traffic": "any(dns.domains[*] in $<KNOWN_DOMAINS_LIST_UUID>) or dns.fqdn in $<KNOWN_DOMAINS_LIST_UUID>"
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}'
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```
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<APIRequest
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path="/accounts/{account_id}/gateway/rules"
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method="POST"
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json={{
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name: "All-DNS-Domain-Allowlist",
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description: "Allowlist any known domains and hostnames",
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precedence: 0,
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enabled: true,
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action: "allow",
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filters: ["dns"],
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traffic:
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"any(dns.domains[*] in $<KNOWN_DOMAINS_LIST_UUID>) or dns.fqdn in $<KNOWN_DOMAINS_LIST_UUID>",
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}}
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/>
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</TabItem>
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@@ -81,23 +79,22 @@ resource "cloudflare_zero_trust_gateway_policy" "dns_whitelist_policy" {
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<TabItem label="API">
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```sh
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curl https://api.cloudflare.com/client/v4/accounts/$ACCOUNT_ID/gateway/rules \
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--header "Content-Type: application/json" \
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--header "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \
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--data '{
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"name": "Quarantined-Users-DNS-Restricted-Access",
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"description": "Restrict access for users included in an identity provider (IdP) user group for risky users",
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"precedence": 10,
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"enabled": true,
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"action": "block",
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"filters": [
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"dns"
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],
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"traffic": "not(any(dns.domains[*] in $<ALLOWED_REMEDIATION_DOMAINS_LIST_UUID>)) or not(any(dns.domains[*] in $<ALLOWED_REMEDIATION_DOMAINS_LIST_UUID>))",
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"identity": "any(identity.groups.name[*] in {\"Quarantined Users\"})"
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}'
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```
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<APIRequest
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path="/accounts/{account_id}/gateway/rules"
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method="POST"
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json={{
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name: "Quarantined-Users-DNS-Restricted-Access",
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description:
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"Restrict access for users included in an identity provider (IdP) user group for risky users",
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precedence: 10,
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enabled: true,
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action: "block",
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filters: ["dns"],
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traffic:
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"not(any(dns.domains[] in $<ALLOWED_REMEDIATION_DOMAINS_LIST_UUID>)) or not(any(dns.domains[] in $<ALLOWED_REMEDIATION_DOMAINS_LIST_UUID>))",
95+
identity: 'any(identity.groups.name[*] in {"Quarantined Users"})',
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}}
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/>
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</TabItem>
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@@ -166,22 +163,21 @@ Block websites hosted in countries categorized as high risk. The designation of
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<TabItem label="API">
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```sh
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curl https://api.cloudflare.com/client/v4/accounts/$ACCOUNT_ID/gateway/rules \
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--header "Content-Type: application/json" \
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--header "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \
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--data '{
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"name": "All-DNS-GeoCountryIP-Blocklist",
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"description": "Block traffic hosted in countries categorized as high security risks",
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"precedence": 50,
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"enabled": true,
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"action": "block",
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"filters": [
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"dns"
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],
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"traffic": "any(dns.dst.geo.country[*] in {\"AF\" \"BY\" \"CD\" \"CU\" \"IR\" \"IQ\" \"KP\" \"MM\" \"RU\" \"SD\" \"SY\" \"UA\" \"ZW\"})"
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}'
184-
```
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<APIRequest
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path="/accounts/{account_id}/gateway/rules"
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method="POST"
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json={{
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name: "All-DNS-GeoCountryIP-Blocklist",
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description:
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"Block traffic hosted in countries categorized as high security risks",
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precedence: 50,
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enabled: true,
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action: "block",
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filters: ["dns"],
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traffic:
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'any(dns.dst.geo.country[*] in {"AF" "BY" "CD" "CU" "IR" "IQ" "KP" "MM" "RU" "SD" "SY" "UA" "ZW"})',
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}}
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/>
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</TabItem>
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@@ -219,22 +215,19 @@ Block frequently misused top-level domains (TLDs) to reduce security risks, espe
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<TabItem label="API">
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```sh
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curl https://api.cloudflare.com/client/v4/accounts/$ACCOUNT_ID/gateway/rules \
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--header "Content-Type: application/json" \
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--header "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \
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--data '{
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"name": "All-DNS-DomainTopLevel-Blocklist",
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"description": "Block DNS queries of known risky TLDs",
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"precedence": 60,
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"enabled": true,
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"action": "block",
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"filters": [
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"dns"
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],
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"traffic": "any(dns.domains[*] matches \"[.](cn|ru)$ or [.](rest|hair|top|live|cfd|boats|beauty|mom|skin|okinawa)$ or [.](zip|mobi)$\")"
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}'
237-
```
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<APIRequest
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path="/accounts/{account_id}/gateway/rules"
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method="POST"
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json={{
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name: "All-DNS-DomainTopLevel-Blocklist",
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description: "Block DNS queries of known risky TLDs",
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precedence: 60,
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enabled: true,
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action: "block",
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filters: ["dns"],
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traffic: 'any(dns.domains[*] matches ".$ or .$ or .$")',
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}}
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/>
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</TabItem>
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<TabItem label="API">
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```sh
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curl https://api.cloudflare.com/client/v4/accounts/$ACCOUNT_ID/gateway/rules \
278-
--header "Content-Type: application/json" \
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--header "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \
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--data '{
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"name": "All-DNS-DomainPhishing-Blocklist",
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"description": "Block misused domains used in phishing campaigns",
283-
"precedence": 70,
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"enabled": true,
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"action": "block",
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"filters": [
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"dns"
288-
],
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"traffic": "any(dns.domains[*] matches \".*okta.*|.*cloudflare.*|.*mfa.*|.sso.*\") and not(any(dns.domains[*] in $<KNOWN_DOMAINS_LIST_UUID>))"
290-
}'
291-
```
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<APIRequest
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path="/accounts/{account_id}/gateway/rules"
271+
method="POST"
272+
json={{
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name: "All-DNS-DomainPhishing-Blocklist",
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description: "Block misused domains used in phishing campaigns",
275+
precedence: 70,
276+
enabled: true,
277+
action: "block",
278+
filters: ["dns"],
279+
traffic:
280+
'any(dns.domains[] matches ".okta.|.cloudflare.|.mfa.|.sso.") and not(any(dns.domains[*] in $<KNOWN_DOMAINS_LIST_UUID>))',
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}}
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/>
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</TabItem>
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@@ -328,22 +319,20 @@ Block specific IP addresses that are malicious or pose a threat to your organiza
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<TabItem label="API">
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```sh
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curl https://api.cloudflare.com/client/v4/accounts/$ACCOUNT_ID/gateway/rules \
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--header "Content-Type: application/json" \
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--header "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \
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--data '{
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"name": "All-DNS-ResolvedIP-Blocklist",
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"description": "Block specific IP addresses deemed to be a risk to the Organization",
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"precedence": 80,
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"enabled": true,
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"action": "block",
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"filters": [
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"dns"
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],
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"traffic": "any(dns.resolved_ips[*] in $<IP_BLOCKLIST_UUID>)"
345-
}'
346-
```
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<APIRequest
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path="/accounts/{account_id}/gateway/rules"
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method="POST"
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json={{
326+
name: "All-DNS-ResolvedIP-Blocklist",
327+
description:
328+
"Block specific IP addresses deemed to be a risk to the Organization",
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precedence: 80,
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enabled: true,
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action: "block",
332+
filters: ["dns"],
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traffic: "any(dns.resolved_ips[*] in $<IP_BLOCKLIST_UUID>)",
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}}
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/>
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</TabItem>
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<TabItem label="API">
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```sh
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curl https://api.cloudflare.com/client/v4/accounts/$ACCOUNT_ID/gateway/rules \
391-
--header "Content-Type: application/json" \
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--header "Authorization: Bearer $CLOUDFLARE_API_TOKEN>" \
393-
--data '{
394-
"name": "All-DNS-DomainHost-Blocklist",
395-
"description": "Block specific domains or hosts that are malicious or pose a threat to your organization.",
396-
"precedence": 90,
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"enabled": true,
398-
"action": "block",
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"filters": [
400-
"dns"
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],
402-
"traffic": "any(dns.domains[*] in $<DOMAIN_BLOCKLIST_UUID>) and dns.fqdn in $<HOST_BLOCKLIST_UUID> and dns.fqdn matches \".*example\\.com\""
403-
}'
404-
```
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<APIRequest
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path="/accounts/{account_id}/gateway/rules"
380+
method="POST"
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json={{
382+
name: "All-DNS-DomainHost-Blocklist",
383+
description:
384+
"Block specific domains or hosts that are malicious or pose a threat to your organization.",
385+
precedence: 90,
386+
enabled: true,
387+
action: "block",
388+
filters: ["dns"],
389+
traffic:
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'any(dns.domains[*] in $<DOMAIN_BLOCKLIST_UUID>) and dns.fqdn in $<HOST_BLOCKLIST_UUID> and dns.fqdn matches ".*example\.com"',
391+
}}
392+
/>
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</TabItem>
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