I have a httpproxy resource listening on port 443 and I have HAProxy pointing to the LoadBalancer IP of Contour with the following configuration: `:443 check ssl verify none`. When I try to curl the url I setup with HAProxy I get a 503 error. When I use the resolve option for curl I’m able to get a …

Troubleshooting this will be hard without a minimal config sample. Remove the check keyword, you may have configured httpchk without ssl. Just guessing. Do you have access to stats page?

This is the config: backend workload-test-secure_be mode http balance leastconn option httpclose option forwardfor http-response set-header Strict-Transport-Security max-age=31536000;preload http-response set-header X-Content-Type-Options “nosniff” server workload-test-nginx :443 check ssl v…

Contour HTTPS Traffic with HAProxy

Help!

granth April 20, 2026, 12:05pm 4

I added check-sni example.domain.com sni str(example.domain.com) to the HAProxy configuration to get this working

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Contour HTTPS Traffic with HAProxy

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