Issue with hostname over OpenVpn and CloudFlare causing to expose IP
address
reddit / irc

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cellulosa · 2019-05-10 18:11

Hi guys, have you ever had these sort of problems when connecting?

`Your hostname does not match up with your IP address. Sorry, using
your IP address (***) instead`

`Couldn't resolve your hostname; using your IP address instead`

`Your forward and reverse DNS do not match, ignoring hostname`

I'm getting these from different servers... I'm connecting using
Textual over my own Openvpn server.

The server's ip has a FQDN, and in fact revers DNS lookup does work...
Could it be because I am using CloudFlare as DNS and HTTP proxy in
front of it? Did any of you ever experienced this issue?

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Saber_UK · 2019-05-17 20:24

This is nothing to do with CloudFlare. The PTR record for the IP
address of your OpenVPN server does not have an A/AAAA record that
points at your server.

Also, having DNS lookups that work doesn't hide your IP address.