Logs for the probe: ts=2026-02-24T21:34:16.441012579Z caller=main.go:320 module=http_2xx target=prometheus.io level=info msg="Beginning probe" probe=http timeout_seconds=5 ts=2026-02-24T21:34:16.441105822Z caller=http.go:335 module=http_2xx target=prometheus.io level=info msg="Resolving target address" ip_protocol=ip4 ts=2026-02-24T21:34:16.449019191Z caller=http.go:335 module=http_2xx target=prometheus.io level=info msg="Resolved target address" ip=172.67.201.240 ts=2026-02-24T21:34:16.449065143Z caller=client.go:251 module=http_2xx target=prometheus.io level=info msg="Making HTTP request" url=http://172.67.201.240 host=prometheus.io ts=2026-02-24T21:34:16.778410816Z caller=client.go:492 module=http_2xx target=prometheus.io level=info msg="Received redirect" location=https://prometheus.io/ ts=2026-02-24T21:34:16.778457717Z caller=client.go:251 module=http_2xx target=prometheus.io level=info msg="Making HTTP request" url=https://prometheus.io/ host= ts=2026-02-24T21:34:16.778464768Z caller=client.go:251 module=http_2xx target=prometheus.io level=info msg="Address does not match first address, not sending TLS ServerName" first=172.67.201.240 address=prometheus.io ts=2026-02-24T21:34:17.339835353Z caller=main.go:130 module=http_2xx target=prometheus.io level=info msg="Received HTTP response" status_code=200 ts=2026-02-24T21:34:17.564097972Z caller=main.go:130 module=http_2xx target=prometheus.io level=info msg="Response timings for roundtrip" roundtrip=0 start=2026-02-24T21:34:16.449099234Z dnsDone=2026-02-24T21:34:16.449099234Z connectDone=2026-02-24T21:34:16.612664321Z gotConn=2026-02-24T21:34:16.612681752Z responseStart=2026-02-24T21:34:16.778361244Z tlsStart=0001-01-01T00:00:00Z tlsDone=0001-01-01T00:00:00Z end=0001-01-01T00:00:00Z ts=2026-02-24T21:34:17.564131882Z caller=main.go:130 module=http_2xx target=prometheus.io level=info msg="Response timings for roundtrip" roundtrip=1 start=2026-02-24T21:34:16.77850743Z dnsDone=2026-02-24T21:34:16.786578194Z connectDone=2026-02-24T21:34:16.961279185Z gotConn=2026-02-24T21:34:17.149002274Z responseStart=2026-02-24T21:34:17.339802602Z tlsStart=2026-02-24T21:34:16.961311476Z tlsDone=2026-02-24T21:34:17.148951272Z end=2026-02-24T21:34:17.564087172Z ts=2026-02-24T21:34:17.564172804Z caller=main.go:320 module=http_2xx target=prometheus.io level=info msg="Probe succeeded" duration_seconds=1.123128664 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 0.007929991 # HELP probe_duration_seconds Returns how long the probe took to complete in seconds # TYPE probe_duration_seconds gauge probe_duration_seconds 1.123128664 # 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 -1 # 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"} 0.33828358000000003 probe_http_duration_seconds{phase="processing"} 0.356479928 probe_http_duration_seconds{phase="resolve"} 0.016000766 probe_http_duration_seconds{phase="tls"} 0.187639816 probe_http_duration_seconds{phase="transfer"} 0.224284509 # HELP probe_http_redirects The number of redirects # TYPE probe_http_redirects gauge probe_http_redirects 1 # 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 200 # HELP probe_http_uncompressed_body_length Length of uncompressed response body # TYPE probe_http_uncompressed_body_length gauge probe_http_uncompressed_body_length 134547 # 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 1.788760585e+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 earliest SSL cert expiry in unixtime # TYPE probe_ssl_earliest_cert_expiry gauge probe_ssl_earliest_cert_expiry 1.778043063e+09 # HELP probe_ssl_last_chain_expiry_timestamp_seconds Returns last SSL chain expiry in timestamp seconds # TYPE probe_ssl_last_chain_expiry_timestamp_seconds gauge probe_ssl_last_chain_expiry_timestamp_seconds 1.778043063e+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="4d9209ad35da58cfb1220dd1fdd3fd3fadea4e353e4715a6d8e7db867bf9f2ea"} 1 # HELP probe_success Displays whether or not the probe was a success # TYPE probe_success gauge probe_success 1 # HELP probe_tls_version_info Contains the TLS version used # TYPE probe_tls_version_info gauge probe_tls_version_info{version="TLS 1.3"} 1 Module configuration: prober: http timeout: 5s http: valid_http_versions: - HTTP/1.1 - HTTP/2.0 preferred_ip_protocol: ip4 ip_protocol_fallback: true follow_redirects: true tcp: ip_protocol_fallback: true icmp: ip_protocol_fallback: true dns: ip_protocol_fallback: true