Logs for the probe: time=2026-04-24T18:36:07.352Z level=ERROR source=tcp.go:92 msg="Error dialing TCP" module=tcp_port_monitor target=betterstack.com:80 err="tls: first record does not look like a TLS handshake" time=2026-04-24T18:36:07.352Z level=ERROR source=handler.go:130 msg="Probe failed" module=tcp_port_monitor target=betterstack.com:80 duration_seconds=0.009791672 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 0.006088848 # HELP probe_duration_seconds Returns how long the probe took to complete in seconds # TYPE probe_duration_seconds gauge probe_duration_seconds 0.009791672 # 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 2.178038181e+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_success Displays whether or not the probe was a success # TYPE probe_success gauge probe_success 0 Module configuration: prober: tcp timeout: 15s http: ip_protocol_fallback: true follow_redirects: true enable_http2: true tcp: preferred_ip_protocol: ip4 ip_protocol_fallback: true tls: true tls_config: insecure_skip_verify: true icmp: ip_protocol_fallback: true ttl: 64 dns: ip_protocol_fallback: true recursion_desired: true