The proxyStatus dimension provides proxy-level error classification. This field is available in both GraphQL Analytics API and OpenTelemetry metrics. The value is an empty string when no proxy-level error occurred.
| Value | Description |
|---|---|
dns_error |
The proxy encountered a DNS error when resolving the next hop hostname. |
dns_timeout |
The proxy timed out while resolving the next hop hostname. |
destination_not_found |
The proxy cannot determine the appropriate next hop for this request. |
destination_unavailable |
The proxy considers the next hop unavailable (for example, recent failures or health check is down). |
destination_ip_prohibited |
The proxy is configured to prohibit connections to the next hop IP address. |
destination_ip_unroutable |
The proxy cannot find a route to the next hop IP address. |
connection_refused |
The proxy's connection to the next hop was refused. |
connection_terminated |
The proxy's connection to the next hop was closed before any response was received. |
connection_timeout |
The proxy's attempt to open a connection to the next hop timed out. |
connection_read_timeout |
The proxy was expecting data on a connection but received none within the configured time limit. |
connection_write_timeout |
The proxy was attempting to write data to a connection but was unable to. |
connection_limit_reached |
The proxy's configured connection limit to the next hop has been exceeded. |
source_addr_in_use |
The proxy cannot assign a source address when connecting to the next hop. |
source_addr_not_available |
The proxy cannot assign a source address (bind failure or source host resolution failure). |
tls_protocol_error |
The proxy encountered a TLS error when communicating with the next hop. |
tls_certificate_error |
The proxy encountered an error verifying the certificate presented by the next hop. |
http_request_error |
The proxy is generating a client (4xx) response on the origin's behalf. |
http_upgrade_failed |
The HTTP Upgrade between the proxy and the next hop failed. |
http_request_denied |
The proxy rejected the HTTP request based on its configuration or policy. |
proxy_internal_error |
The proxy encountered an internal error unrelated to the origin. |
proxy_loop_detected |
The proxy tried to forward the request to itself. |
http_protocol_error |
The proxy encountered an HTTP protocol error when communicating with the next hop. |
http_response_incomplete |
The proxy received an incomplete response from the next hop. |
rate_limited |
The client has reached the maximum number of connections per second to a single origin. |