From e0791876eb2f8d548b3ba227e2da9e6669723789 Mon Sep 17 00:00:00 2001 From: Nic <123965403+ngayerie@users.noreply.github.com> Date: Wed, 8 Oct 2025 12:13:00 +0100 Subject: [PATCH 1/2] [Fundamentals] Update error-520.mdx SHIP-9415 --- .../http-status-codes/cloudflare-5xx-errors/error-520.mdx | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-520.mdx b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-520.mdx index 69b88fffd5a360e..a57be40fd07032e 100644 --- a/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-520.mdx +++ b/src/content/docs/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-520.mdx @@ -14,7 +14,7 @@ This error is often triggered by: - Origin server crashes or misconfigurations. - Firewalls or security plugins blocking [Cloudflare IPs](https://www.cloudflare.com/ips) at your origin. -- Headers exceeding 16 KB (often due to excessive cookies). +- Headers exceeding 128 KB (often due to excessive cookies). - Empty or malformed responses lacking an HTTP status code or response body. - Missing response headers or origin web server not returning [proper HTTP error responses](https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml). - Incorrect HTTP/2 configuration at the origin server. From f89d0c153a0c9a96bf7cb6fe16866e753389fa8a Mon Sep 17 00:00:00 2001 From: Nic <123965403+ngayerie@users.noreply.github.com> Date: Wed, 8 Oct 2025 12:16:36 +0100 Subject: [PATCH 2/2] [Fundamentals] Update connection-limits.mdx SHIP-9415 --- src/content/docs/fundamentals/reference/connection-limits.mdx | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/content/docs/fundamentals/reference/connection-limits.mdx b/src/content/docs/fundamentals/reference/connection-limits.mdx index e6c4329a5997126..8df3bbf3bd46784 100644 --- a/src/content/docs/fundamentals/reference/connection-limits.mdx +++ b/src/content/docs/fundamentals/reference/connection-limits.mdx @@ -45,11 +45,11 @@ Ensure HTTP keep-alive connections are enabled on your origin. Cloudflare reuses ## Request limits -URLs have a limit of 16 KB. Request headers have a total limit of 32 KB, but each header is limited to 16 KB. +URLs have a limit of 16 KB. Request headers have a total limit of 128 KB, and each header is limited to 128 KB. ## Response limits -Response headers observe a total limit of 32 KB, but each header is limited to 16 KB. +Response headers observe a total limit of 128 KB, and each header is limited to 128 KB. ## Cache limits