Logs for the probe: ts=2025-12-06T03:05:24.390153871Z caller=main.go:190 module=http_2xx target=prometheus.io level=info msg="Beginning probe" probe=http timeout_seconds=5 ts=2025-12-06T03:05:24.390363547Z caller=http.go:328 module=http_2xx target=prometheus.io level=info msg="Resolving target address" target=prometheus.io ip_protocol=ip4 ts=2025-12-06T03:05:24.393433195Z caller=http.go:328 module=http_2xx target=prometheus.io level=info msg="Resolved target address" target=prometheus.io ip=104.21.60.220 ts=2025-12-06T03:05:24.39353137Z caller=client.go:259 module=http_2xx target=prometheus.io level=info msg="Making HTTP request" url=http://104.21.60.220 host=prometheus.io ts=2025-12-06T03:05:24.400471778Z caller=client.go:505 module=http_2xx target=prometheus.io level=info msg="Received redirect" location=https://prometheus.io/ ts=2025-12-06T03:05:24.400501585Z caller=client.go:259 module=http_2xx target=prometheus.io level=info msg="Making HTTP request" url=https://prometheus.io/ host= ts=2025-12-06T03:05:24.400511784Z caller=client.go:259 module=http_2xx target=prometheus.io level=info msg="Address does not match first address, not sending TLS ServerName" first=104.21.60.220 address=prometheus.io ts=2025-12-06T03:05:24.432237895Z caller=handler.go:119 module=http_2xx target=prometheus.io level=info msg="Received HTTP response" status_code=200 ts=2025-12-06T03:05:24.436932322Z caller=handler.go:119 module=http_2xx target=prometheus.io level=info msg="Response timings for roundtrip" roundtrip=0 start=2025-12-06T03:05:24.393616061Z dnsDone=2025-12-06T03:05:24.393616061Z connectDone=2025-12-06T03:05:24.39539002Z gotConn=2025-12-06T03:05:24.395407844Z responseStart=2025-12-06T03:05:24.400388982Z tlsStart=0001-01-01T00:00:00Z tlsDone=0001-01-01T00:00:00Z end=0001-01-01T00:00:00Z ts=2025-12-06T03:05:24.436986484Z caller=handler.go:119 module=http_2xx target=prometheus.io level=info msg="Response timings for roundtrip" roundtrip=1 start=2025-12-06T03:05:24.40054692Z dnsDone=2025-12-06T03:05:24.402768907Z connectDone=2025-12-06T03:05:24.404638739Z gotConn=2025-12-06T03:05:24.411740452Z responseStart=2025-12-06T03:05:24.43219295Z tlsStart=2025-12-06T03:05:24.404665609Z tlsDone=2025-12-06T03:05:24.411605206Z end=2025-12-06T03:05:24.436917554Z ts=2025-12-06T03:05:24.437088487Z caller=main.go:190 module=http_2xx target=prometheus.io level=info msg="Probe succeeded" duration_seconds=0.046864333 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 0.003085658 # HELP probe_duration_seconds Returns how long the probe took to complete in seconds # TYPE probe_duration_seconds gauge probe_duration_seconds 0.046864333 # 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"} 0.003661595 probe_http_duration_seconds{phase="processing"} 0.025433646 probe_http_duration_seconds{phase="resolve"} 0.005307655 probe_http_duration_seconds{phase="tls"} 0.006939637 probe_http_duration_seconds{phase="transfer"} 0.004724614 # 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 134043 # 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 2.590428662e+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 1.767810309e+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 1.767810309e+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="9dd6d72956ffd39373c2bd77ccce923d93815e0aec2b4ac51524024dac9a9f7d",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: 5s http: valid_http_versions: - HTTP/1.1 - HTTP/2.0 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