AkousaHTTP Status CodesInfo
100100 Continue
The server has received the request headers and the client should proceed to send the request body.
browsernodeserver
View details 527A Cloudflare Railgun connection error occurred between the Cloudflare edge and the Railgun listener.
The Railgun WAN optimization connection between Cloudflare and your origin failed. The Railgun listener may be down, misconfigured, or unable to reach the origin server.
Check that the Railgun listener is running on your origin server. Verify Railgun configuration and tokens match. Check firewall rules allow Railgun traffic on port 2408. Restart the Railgun service if needed.
100The server has received the request headers and the client should proceed to send the request body.
502A gateway or proxy server received an invalid response from the upstream server.
300The request has more than one possible response and the user or user agent should choose one of them.
520Cloudflare received an unexpected or empty response from the origin server.
451The resource is unavailable due to legal demands, such as censorship or court orders.
303The response to the request can be found at a different URL using a GET method.