https://kifarunix.com/install-and-setup-openvpn-server-on-fedora-29-centos-7/2/
iptables -I FORWARD 1 --source 192.168.2.0/24 -j ACCEPT
iptables -I INPUT 1 -p udp --dport 1194 -j ACCEPT
iptables -I FORWARD -i br0 -o tun0 -j ACCEPT
iptables -I FORWARD -i tun0 -o br0 -j ACCEPT
may sinabi...