Blackbox returns 404 for a site that returns 200

[Ncvejic6545]

My probe:

http_response_probe_200:
prober: http
http:
method: GET
valid_status_codes: [200]
tls_config:
insecure_skip_verify: true
preferred_ip_protocol: ip4

it works for most sites, eg.

Logs for the probe:
ts=2025-02-20T18:04:26.73351146Z caller=main.go:320 module=http_response_probe_200 target=https://www.github.com level=info msg="Beginning probe" probe=http timeout_seconds=119.5
ts=2025-02-20T18:04:26.733774648Z caller=http.go:335 module=http_response_probe_200 target=https://www.github.com level=info msg="Resolving target address" ip_protocol=ip4
ts=2025-02-20T18:04:26.773331569Z caller=http.go:335 module=http_response_probe_200 target=https://www.github.com level=info msg="Resolved target address" ip=140.82.121.3
ts=2025-02-20T18:04:26.77367265Z caller=client.go:252 module=http_response_probe_200 target=https://www.github.com level=info msg="Making HTTP request" url=https://140.82.121.3 host=www.github.com
ts=2025-02-20T18:04:26.866252638Z caller=client.go:498 module=http_response_probe_200 target=https://www.github.com level=info msg="Received redirect" location=https://github.com/
ts=2025-02-20T18:04:26.866457225Z caller=client.go:252 module=http_response_probe_200 target=https://www.github.com level=info msg="Making HTTP request" url=https://github.com/ host=
ts=2025-02-20T18:04:26.866863044Z caller=client.go:252 module=http_response_probe_200 target=https://www.github.com level=info msg="Address does not match first address, not sending TLS ServerName" first=140.82.121.3 address=github.com
ts=2025-02-20T18:04:26.951098092Z caller=main.go:130 module=http_response_probe_200 target=https://www.github.com level=info msg="Received HTTP response" status_code=200
ts=2025-02-20T18:04:27.056239261Z caller=main.go:130 module=http_response_probe_200 target=https://www.github.com level=info msg="Response timings for roundtrip" roundtrip=0 start=2025-02-20T18:04:26.774360962Z dnsDone=2025-02-20T18:04:26.774360962Z connectDone=2025-02-20T18:04:26.80254565Z gotConn=2025-02-20T18:04:26.837550812Z responseStart=2025-02-20T18:04:26.865820368Z tlsStart=2025-02-20T18:04:26.802600708Z tlsDone=2025-02-20T18:04:26.8374196Z end=0001-01-01T00:00:00Z
ts=2025-02-20T18:04:27.056521197Z caller=main.go:130 module=http_response_probe_200 target=https://www.github.com level=info msg="Response timings for roundtrip" roundtrip=1 start=2025-02-20T18:04:26.86743017Z dnsDone=2025-02-20T18:04:26.868947531Z connectDone=2025-02-20T18:04:26.895010746Z gotConn=2025-02-20T18:04:26.923689209Z responseStart=2025-02-20T18:04:26.950984067Z tlsStart=2025-02-20T18:04:26.895049955Z tlsDone=2025-02-20T18:04:26.923488183Z end=2025-02-20T18:04:27.056221337Z
ts=2025-02-20T18:04:27.057297688Z caller=main.go:320 module=http_response_probe_200 target=https://www.github.com level=info msg="Probe succeeded" duration_seconds=0.323625625

but when i try one specific site (which is live and returning 200) i get

Logs for the probe:
Logs for the probe:
ts=2025-02-20T18:06:10.250708954Z caller=main.go:320 module=http_response_probe_200 target=https://site.com level=info msg="Beginning probe" probe=http timeout_seconds=119.5
ts=2025-02-20T18:06:10.251019948Z caller=http.go:335 module=http_response_probe_200 target=https://site.com level=info msg="Resolving target address" ip_protocol=ip4
ts=2025-02-20T18:06:10.251967313Z caller=http.go:335 module=http_response_probe_200 target=https://site.com level=info msg="Resolved target address" ip=ip
ts=2025-02-20T18:06:10.252133996Z caller=client.go:252 module=http_response_probe_200 target=https://site.com level=info msg="Making HTTP request" url=https://ip host=site.com
ts=2025-02-20T18:06:10.394846217Z caller=main.go:130 module=http_response_probe_200 target=https://site.com level=info msg="Received HTTP response" status_code=404
ts=2025-02-20T18:06:10.39497243Z caller=main.go:130 module=http_response_probe_200 target=https://site.com level=info msg="Invalid HTTP response status code" status_code=404 valid_status_codes=[200]
ts=2025-02-20T18:06:10.395098909Z caller=main.go:130 module=http_response_probe_200 target=https://site.com level=info msg="Response timings for roundtrip" roundtrip=0 start=2025-02-20T18:06:10.2523079Z dnsDone=2025-02-20T18:06:10.2523079Z connectDone=2025-02-20T18:06:10.282463506Z gotConn=2025-02-20T18:06:10.356217083Z responseStart=2025-02-20T18:06:10.394518368Z tlsStart=2025-02-20T18:06:10.282506262Z tlsDone=2025-02-20T18:06:10.352251091Z end=2025-02-20T18:06:10.395082573Z
ts=2025-02-20T18:06:10.395314118Z caller=main.go:320 module=http_response_probe_200 target=https://site.com level=error msg="Probe failed" duration_seconds=0.144448349

curling the site from the server is returning everything okay

[electron0zero]

This is probably config issue, please review the config docs and refer to example configs

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