Short description of the issue

[user135263]

windows 10 client
vstunnel v10.1.8
installation behind haproxy

exec= wstunnel.exe client -P my-path -L socks5://127.0.0.1:1080 wss://my.web.com:443 -c 10 --websocket-ping-frequency-sec 20 --tls-verify-certificate
gives error without installed R11 certificate in trusted

[2m2025-01-22T13:51:49.690266Z←[0m ←[33m WARN←[0m ←[2mwstunnel::protocols::tls::server←[0m←[2m:←[0m cannot load a system certificate: InvalidCertificate(Other(OtherError(UnsupportedCriticalExtension)))

browsers trust the site certificate on this domain

[github-actions]

Hello @user135263 👋

This issue is being automatically closed because it does not follow the issue template.