Logs for the probe: ts=2026-07-29T17:15:39.460146712Z caller=main.go:181 module=http_2xx target=prometheus.io level=info msg="Beginning probe" probe=http timeout_seconds=15 ts=2026-07-29T17:15:39.46034376Z caller=http.go:328 module=http_2xx target=prometheus.io level=info msg="Resolving target address" target=prometheus.io ip_protocol=ip4 ts=2026-07-29T17:15:39.462865053Z caller=http.go:328 module=http_2xx target=prometheus.io level=info msg="Resolved target address" target=prometheus.io ip=172.67.201.240 ts=2026-07-29T17:15:39.462947881Z caller=client.go:252 module=http_2xx target=prometheus.io level=info msg="Making HTTP request" url=http://172.67.201.240 host=prometheus.io ts=2026-07-29T17:15:39.469427221Z caller=client.go:498 module=http_2xx target=prometheus.io level=info msg="Received redirect" location=https://prometheus.io/ ts=2026-07-29T17:15:39.469527023Z caller=client.go:252 module=http_2xx target=prometheus.io level=info msg="Making HTTP request" url=https://prometheus.io/ host= ts=2026-07-29T17:15:39.469555728Z caller=client.go:252 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=2026-07-29T17:15:39.750378488Z caller=handler.go:120 module=http_2xx target=prometheus.io level=info msg="Received HTTP response" status_code=200 ts=2026-07-29T17:15:39.752834603Z caller=handler.go:120 module=http_2xx target=prometheus.io level=info msg="Response timings for roundtrip" roundtrip=0 start=2026-07-29T17:15:39.463021598Z dnsDone=2026-07-29T17:15:39.463021598Z connectDone=2026-07-29T17:15:39.464308785Z gotConn=2026-07-29T17:15:39.464355104Z responseStart=2026-07-29T17:15:39.469348078Z tlsStart=0001-01-01T00:00:00Z tlsDone=0001-01-01T00:00:00Z end=0001-01-01T00:00:00Z ts=2026-07-29T17:15:39.752906831Z caller=handler.go:120 module=http_2xx target=prometheus.io level=info msg="Response timings for roundtrip" roundtrip=1 start=2026-07-29T17:15:39.469631813Z dnsDone=2026-07-29T17:15:39.472082442Z connectDone=2026-07-29T17:15:39.473382344Z gotConn=2026-07-29T17:15:39.478168972Z responseStart=2026-07-29T17:15:39.750161552Z tlsStart=2026-07-29T17:15:39.473428478Z tlsDone=2026-07-29T17:15:39.478060062Z end=2026-07-29T17:15:39.75281594Z ts=2026-07-29T17:15:39.75302624Z caller=main.go:181 module=http_2xx target=prometheus.io level=info msg="Probe succeeded" duration_seconds=0.292837074 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 0.002529359 # HELP probe_duration_seconds Returns how long the probe took to complete in seconds # TYPE probe_duration_seconds gauge probe_duration_seconds 0.292837074 # 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"} 0.002633426 probe_http_duration_seconds{phase="processing"} 0.276985565 probe_http_duration_seconds{phase="resolve"} 0.004979984 probe_http_duration_seconds{phase="tls"} 0.004631584 probe_http_duration_seconds{phase="transfer"} 0.002654388 # 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 140300 # 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 last SSL chain expiry in unixtime # TYPE probe_ssl_earliest_cert_expiry gauge probe_ssl_earliest_cert_expiry 1.788276206e+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 -6.21355968e+10 # 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="d2caaca773a055191fb8d5595ad01da82e5c47bbb3bcff2d7f4e79926c074661",issuer="CN=WE1,O=Google Trust Services,C=US",subject="CN=prometheus.io",subjectalternative="prometheus.io,*.prometheus.io"} 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 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: 15s http: valid_status_codes: - 200 - 201 - 202 - 204 - 301 - 302 - 303 - 304 - 307 - 308 - 401 - 403 - 404 valid_http_versions: - HTTP/1.1 - HTTP/2.0 preferred_ip_protocol: ip4 ip_protocol_fallback: true fail_if_not_ssl: true method: GET tls_config: insecure_skip_verify: 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