Couple UFW rules for antizapret node
ufw default deny incoming ufw default allow outgoing ufw allow ssh / ufw allow from 203.0.113.4 to any port 22 ufw allow 1194 ufw route allow proto tcp from any to any port 1194 ufw route allow proto udp from any to any port 1194 ufw allow in on lxdbr0 ufw route allow in on lxdbr0 ufw enable