ERR_TIMED_OUT and ERR_EMPTY_RESPONSE being observed by Cloudflare Customers

Cloudflare has identified a third-party issue affecting customers whose traffic passes through external vendor firewalls after recent firmware upgrades. Customers may observe: ERR_TIMED_OUT on standard HTTPS websites ERR_EMPTY_RESPONSE on non-standard HTTPS ports (e.g., 8443) Cloudflare's network and edge are functioning normally — these failures occur at the firewall inspection layer and can only be resolved with actions on the 3rd party software configuration.