Odown product news and updates

Nginx status 499 means the client closed the connection before your server answered. It is a latency symptom in your logs. Here is how to read and fix it.

Cloudflare error 521 means your origin server refused Cloudflare's connection: it is down or blocking Cloudflare's IPs. Here is the five-step fix.

Cloudflare error 522 means the connection to your origin timed out: Cloudflare waited about 19 seconds and heard nothing. Here is what to check.

Cloudflare error 524 means your origin took longer than 120 seconds to answer, so the request timed out. Here is how to fix work that outlives the limit.

ERR_EMPTY_RESPONSE means the server accepted the connection, then closed it without sending a single byte. Here is what kills a response and how to fix it.

ERR_NAME_NOT_RESOLVED means the DNS lookup failed to produce an address at all. Here is how it differs from NXDOMAIN and how to fix both sides.

ERR_TOO_MANY_REDIRECTS means the page is redirecting in a circle and Chrome quit after 20 hops. Here is how to find the loop and break it.

DNS_PROBE_FINISHED_NXDOMAIN means the DNS lookup answered that the domain does not exist. Here is how to fix it on your device and on your own domain.

ERR_CONNECTION_TIMED_OUT means the server never answered the connection attempt at all. Here is how to fix the silence, as a visitor and as the site owner.

ERR_CONNECTION_REFUSED means the server actively rejected the connection: nothing is listening on that port. Here is how to fix it on both sides.