Logs for the probe: time=2026-03-21T19:28:26.628Z level=INFO source=handler.go:122 msg="Beginning probe" module=http_post_2xx_401 target=https://agent.lupai.app probe=http timeout_seconds=9.5 time=2026-03-21T19:28:26.628Z level=INFO source=utils.go:61 msg="Resolving target address" module=http_post_2xx_401 target=https://agent.lupai.app target=agent.lupai.app ip_protocol=ip4 time=2026-03-21T19:28:26.629Z level=INFO source=utils.go:96 msg="Resolved target address" module=http_post_2xx_401 target=https://agent.lupai.app target=agent.lupai.app ip=52.202.202.94 time=2026-03-21T19:28:26.629Z level=INFO source=http.go:153 msg="Making HTTP request" module=http_post_2xx_401 target=https://agent.lupai.app url=https://52.202.202.94 host=agent.lupai.app time=2026-03-21T19:28:26.635Z level=INFO source=http.go:479 msg="Received HTTP response" module=http_post_2xx_401 target=https://agent.lupai.app status_code=502 time=2026-03-21T19:28:26.635Z level=INFO source=http.go:488 msg="Invalid HTTP response status code" module=http_post_2xx_401 target=https://agent.lupai.app status_code=502 valid_status_codes="[200 401 405]" time=2026-03-21T19:28:26.635Z level=INFO source=http.go:601 msg="Response timings for roundtrip" module=http_post_2xx_401 target=https://agent.lupai.app roundtrip=0 start=2026-03-21T19:28:26.629Z dnsDone=2026-03-21T19:28:26.629Z connectDone=2026-03-21T19:28:26.630Z gotConn=2026-03-21T19:28:26.633Z responseStart=2026-03-21T19:28:26.635Z tlsStart=2026-03-21T19:28:26.630Z tlsDone=2026-03-21T19:28:26.633Z end=2026-03-21T19:28:26.635Z time=2026-03-21T19:28:26.635Z level=ERROR source=handler.go:135 msg="Probe failed" module=http_post_2xx_401 target=https://agent.lupai.app duration_seconds=0.007456083 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 0.000911333 # HELP probe_duration_seconds Returns how long the probe took to complete in seconds # TYPE probe_duration_seconds gauge probe_duration_seconds 0.007456083 # 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 150 # 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"} 0.001103144 probe_http_duration_seconds{phase="processing"} 0.001556035 probe_http_duration_seconds{phase="resolve"} 0.000911333 probe_http_duration_seconds{phase="tls"} 0.003230946 probe_http_duration_seconds{phase="transfer"} 0.000189576 # 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 150 # HELP probe_http_version Returns the version of HTTP of the probe response # TYPE probe_http_version gauge probe_http_version 1.1 # 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 1.01214967e+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 1.776978759e+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 1.776978759e+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="9dbbf9200d5d65e608add7f5f05b9ed1612a68bfd76cc193c8a5950c60d03ed7",issuer="CN=E7,O=Let's Encrypt,C=US",serialnumber="052be38561f6f0161288c8807e4483027247",subject="CN=agent.lupai.app",subjectalternative="agent.lupai.app"} 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_AES_128_GCM_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 http: valid_status_codes: - 200 - 401 - 405 preferred_ip_protocol: ip4 ip_protocol_fallback: true method: POST 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