Logs for the probe: ts=2025-11-18T15:30:25.860215836Z caller=main.go:181 module=http_2xx target=https://vpn.csssr.com level=info msg="Beginning probe" probe=http timeout_seconds=23.5 ts=2025-11-18T15:30:25.860276033Z caller=http.go:328 module=http_2xx target=https://vpn.csssr.com level=info msg="Resolving target address" target=vpn.csssr.com ip_protocol=ip4 ts=2025-11-18T15:30:25.885993548Z caller=http.go:328 module=http_2xx target=https://vpn.csssr.com level=info msg="Resolved target address" target=vpn.csssr.com ip=8.6.112.0 ts=2025-11-18T15:30:25.886057816Z caller=client.go:252 module=http_2xx target=https://vpn.csssr.com level=info msg="Making HTTP request" url=https://8.6.112.0 host=vpn.csssr.com ts=2025-11-18T15:30:26.0640002Z caller=client.go:498 module=http_2xx target=https://vpn.csssr.com level=info msg="Received redirect" location=/signin ts=2025-11-18T15:30:26.064027908Z caller=client.go:252 module=http_2xx target=https://vpn.csssr.com level=info msg="Making HTTP request" url=https://8.6.112.0/signin host=vpn.csssr.com ts=2025-11-18T15:30:26.181392964Z caller=handler.go:120 module=http_2xx target=https://vpn.csssr.com level=info msg="Received HTTP response" status_code=500 ts=2025-11-18T15:30:26.181419311Z caller=handler.go:120 module=http_2xx target=https://vpn.csssr.com level=info msg="Invalid HTTP response status code, wanted 2xx" status_code=500 ts=2025-11-18T15:30:26.181493434Z caller=handler.go:120 module=http_2xx target=https://vpn.csssr.com level=info msg="Response timings for roundtrip" roundtrip=0 start=2025-11-18T15:30:25.886109431Z dnsDone=2025-11-18T15:30:25.886109431Z connectDone=2025-11-18T15:30:25.91009014Z gotConn=2025-11-18T15:30:25.972804507Z responseStart=2025-11-18T15:30:26.063934027Z tlsStart=2025-11-18T15:30:25.910105745Z tlsDone=2025-11-18T15:30:25.972763092Z end=0001-01-01T00:00:00Z ts=2025-11-18T15:30:26.181520817Z caller=handler.go:120 module=http_2xx target=https://vpn.csssr.com level=info msg="Response timings for roundtrip" roundtrip=1 start=2025-11-18T15:30:26.064074254Z dnsDone=2025-11-18T15:30:26.064074254Z connectDone=2025-11-18T15:30:26.087897682Z gotConn=2025-11-18T15:30:26.149635477Z responseStart=2025-11-18T15:30:26.181366741Z tlsStart=2025-11-18T15:30:26.087914255Z tlsDone=2025-11-18T15:30:26.149595039Z end=2025-11-18T15:30:26.181487025Z ts=2025-11-18T15:30:26.181568509Z caller=main.go:181 module=http_2xx target=https://vpn.csssr.com level=error msg="Probe failed" duration_seconds=0.321331715 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 0.025726599 # HELP probe_duration_seconds Returns how long the probe took to complete in seconds # TYPE probe_duration_seconds gauge probe_duration_seconds 0.321331715 # 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 15 # 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"} 0.047804142 probe_http_duration_seconds{phase="processing"} 0.12286079800000001 probe_http_duration_seconds{phase="resolve"} 0.025726599 probe_http_duration_seconds{phase="tls"} 0.124338139 probe_http_duration_seconds{phase="transfer"} 0.000120267 # 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 500 # HELP probe_http_uncompressed_body_length Length of uncompressed response body # TYPE probe_http_uncompressed_body_length gauge probe_http_uncompressed_body_length 15 # 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 1.946594699e+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 1.770862488e+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 1.770862488e+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="5bc7351d737fc9f63b4fbbe2a043d2c6069ee59dca5baaa3a2cf1050fd3db79d",issuer="CN=WE1,O=Google Trust Services,C=US",subject="CN=csssr.com",subjectalternative="csssr.com,*.csssr.com"} 1 # HELP probe_success Displays whether or not the probe was a success # TYPE probe_success gauge probe_success 0 # 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: 30s http: valid_http_versions: - HTTP/1.1 - HTTP/2.0 preferred_ip_protocol: ip4 ip_protocol_fallback: true method: GET 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