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Anyone know why a static site wouldn't load with a VPN on? (lemmy.ml)

submitted 4 days ago by [email protected] to c/web_hosting

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My web hosting company can't explain this.

My website is old school static, just HTML, CSS and js files. Nothing fancy.

No VPN, it loads fine. With VPN (various, but in my case Mullvad) it won't load. I get this screenshot. All other sites load fine with that vpn!

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[–] SteveTech 4 points 3 days ago* (last edited 3 days ago)

It's not immediately a DNS issue. Usually if there's no response within less then a second, then a browser will skip IPv6 and use IPv4 (Happy Eyeballs). But in this case the server responds with an SSL error over IPv6.

curl -v -6 "https://rebeltechalliance.org/"
* Host rebeltechalliance.org:443 was resolved.
* IPv6: 2a10:e000:1::10
* IPv4: (none)
*   Trying [2a10:e000:1::10]:443...
* ALPN: curl offers h2,http/1.1
* TLSv1.3 (OUT), TLS handshake, Client hello (1):
*  CAfile: /data/data/com.termux/files/usr/etc/tls/cert.pem
*  CApath: /data/data/com.termux/files/usr/etc/tls/certs
* TLSv1.3 (IN), TLS handshake, Server hello (2):
* TLSv1.3 (OUT), TLS change cipher, Change cipher spec (1):
* TLSv1.3 (OUT), TLS handshake, Client hello (1):
* TLSv1.3 (IN), TLS handshake, Server hello (2):
* TLS connect error: error:00000000:lib(0)::reason(0)
* OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to rebeltechalliance.org:443
* closing connection #0
curl: (35) TLS connect error: error:00000000:lib(0)::reason(0)