Gateway File Sandboxing Issue

HTTP/3 performance regression

Starting as early as at least 2022-10-26, users may experience a significant performance degradation when enabling HTTP/3 on their sites. Users are advised to disable HTTP/3 for better performance.

Update: Improvements have been made to HTTP/3 performance recently that greatly reduce the impact of this regression.

Sources:

Incident Report for Cloudflare

Resolved

This issue is now resolved.

Posted Jan 08, 2025 - 19:47 UTC

Monitoring

Cloudflare has identified and applied a fix for an issue where Gateway File Sandboxing was not being applied as expected. We are currently monitoring the results.

The observed impact of this issue is that Sandboxing account setting are applied, if your account is set to fail open users will be able to download a file without Sandboxing applied. If set to fail closed, users will not be able to download the file.

Posted Jan 08, 2025 - 19:38 UTC

This incident affected: Cloudflare Sites and Services (Gateway).

Unofficial and Honest Cloudflare System Status