Logs for the probe:
time=2026-09-09T06:52:48.011Z level=ERROR source=http.go:599 msg="Invalid HTTP response status code" module=https_2xx target=https://status.906.sh/login status_code=502 valid_status_codes="[200 301 302 401]"
time=2026-09-09T06:52:48.011Z level=ERROR source=handler.go:130 msg="Probe failed" module=https_2xx target=https://status.906.sh/login duration_seconds=0.85895861



Metrics that would have been returned:
# HELP probe_dns_lookup_time_seconds Returns the time taken for probe dns lookup in seconds
# TYPE probe_dns_lookup_time_seconds gauge
probe_dns_lookup_time_seconds 0.036795236
# HELP probe_duration_seconds Returns how long the probe took to complete in seconds
# TYPE probe_duration_seconds gauge
probe_duration_seconds 0.85895861
# HELP probe_failed_due_to_regex Indicates if probe failed due to regex
# TYPE probe_failed_due_to_regex gauge
probe_failed_due_to_regex 0
# HELP probe_http_content_length Length of http content response
# TYPE probe_http_content_length gauge
probe_http_content_length 0
# HELP probe_http_duration_seconds Duration of http request by phase, summed over all redirects
# TYPE probe_http_duration_seconds gauge
probe_http_duration_seconds{phase="connect"} 0.162324396
probe_http_duration_seconds{phase="processing"} 0.490107511
probe_http_duration_seconds{phase="resolve"} 0.036795236
probe_http_duration_seconds{phase="tls"} 0.169097624
probe_http_duration_seconds{phase="transfer"} 0.000290486
# HELP probe_http_redirects The number of redirects
# TYPE probe_http_redirects gauge
probe_http_redirects 0
# HELP probe_http_ssl Indicates if SSL was used for the final redirect
# TYPE probe_http_ssl gauge
probe_http_ssl 1
# HELP probe_http_status_code Response HTTP status code
# TYPE probe_http_status_code gauge
probe_http_status_code 502
# HELP probe_http_uncompressed_body_length Length of uncompressed response body
# TYPE probe_http_uncompressed_body_length gauge
probe_http_uncompressed_body_length 0
# HELP probe_http_version Returns the version of HTTP of the probe response
# TYPE probe_http_version gauge
probe_http_version 2
# HELP probe_ip_addr_hash Specifies the hash of IP address. It's useful to detect if the IP address changes.
# TYPE probe_ip_addr_hash gauge
probe_ip_addr_hash 2.340274959e+09
# HELP probe_ip_protocol Specifies whether probe ip protocol is IP4 or IP6
# TYPE probe_ip_protocol gauge
probe_ip_protocol 4
# HELP probe_ssl_earliest_cert_expiry Returns last SSL chain expiry in unixtime
# TYPE probe_ssl_earliest_cert_expiry gauge
probe_ssl_earliest_cert_expiry 1.795983092e+09
# HELP probe_ssl_last_chain_expiry_timestamp_seconds Returns last SSL chain expiry in timestamp
# TYPE probe_ssl_last_chain_expiry_timestamp_seconds gauge
probe_ssl_last_chain_expiry_timestamp_seconds 1.795983092e+09
# HELP probe_ssl_last_chain_info Contains SSL leaf certificate information
# TYPE probe_ssl_last_chain_info gauge
probe_ssl_last_chain_info{fingerprint_sha256="ba3e5ec76792b06719b11605b16a6b576734ccbd44b42be61b1c657ec6e94643",issuer="CN=YE2,O=Let's Encrypt,C=US",serialnumber="053fd8ad564aa6ffb5878ecdc3784a7356b5",subject="CN=status.906.sh",subjectalternative="status.906.sh"} 1
# HELP probe_success Displays whether or not the probe was a success
# TYPE probe_success gauge
probe_success 0
# HELP probe_tls_cipher_info Returns the TLS cipher negotiated during handshake
# TYPE probe_tls_cipher_info gauge
probe_tls_cipher_info{cipher="TLS_AES_128_GCM_SHA256"} 1
# HELP probe_tls_version_info Returns the TLS version used or NaN when unknown
# TYPE probe_tls_version_info gauge
probe_tls_version_info{version="TLS 1.3"} 1



Module configuration:
prober: http
timeout: 10s
http:
  valid_status_codes:
  - 200
  - 301
  - 302
  - 401
  preferred_ip_protocol: ip4
  ip_protocol_fallback: true
  follow_redirects: true
  enable_http2: true
tcp:
  ip_protocol_fallback: true
icmp:
  ip_protocol_fallback: true
  ttl: 64
dns:
  ip_protocol_fallback: true
  recursion_desired: true