@selfhosted Have a commerical @wireguard vpn on my server. The problem i have is that if i use a docker, it does use the vpn interface with iptables, but if that goes down, the docker still goes through without the vpn interface. I have looked at iptables, but docker makes it own, and bit of a minefield. Any ideas? Thanks
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Docker on its own won’t think to look at that interface unless you tie it to it. Assuming you want to listen to both interfaces an external watchdog would be the call. You’d set the watchdog to look for iptables issues and then run commands if it went down (ie to restart iptables and then restart your containers).