Logs for the probe:
time=2026-05-16T13:23:37.389Z level=ERROR source=http.go:599 msg="Invalid HTTP response status code" module=https_2xx target=https://github.com status_code=502 valid_status_codes="[200 204]"
time=2026-05-16T13:23:37.422Z level=ERROR source=handler.go:130 msg="Probe failed" module=https_2xx target=https://github.com duration_seconds=0.096147871



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 0.001310137
# HELP probe_duration_seconds Returns how long the probe took to complete in seconds
# TYPE probe_duration_seconds gauge
probe_duration_seconds 0.096147871
# 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 55118
# 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"} 0.016948486
probe_http_duration_seconds{phase="processing"} 0.017632818
probe_http_duration_seconds{phase="resolve"} 0.001310137
probe_http_duration_seconds{phase="tls"} 0.026533086
probe_http_duration_seconds{phase="transfer"} 0.032847268
# 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 55118
# 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 9.08704639e+08
# 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 1.785715199e+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 1.785715199e+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="a7b81034cd439551c50a29b54355254a84942a0a990c1a9e12856c855b64b65f",issuer="CN=Sectigo Public Server Authentication CA DV E36,O=Sectigo Limited,C=GB",serialnumber="e7cecc3b13fb3b7b8a46ea8cd0aeb71c",subject="CN=github.com",subjectalternative="github.com,www.github.com"} 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_CHACHA20_POLY1305_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: 5s
http:
  valid_status_codes:
  - 200
  - 204
  preferred_ip_protocol: ip4
  ip_protocol_fallback: true
  fail_if_not_ssl: true
  method: GET
  headers:
    Accept: '*/*'
    User-Agent: liviate-dmz-canary/blackbox
  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