From: https://forum.vyos.io/t/wireguard-not-functioning-on-latest-builds/8361/2
Reproduce
The following CLI commands worked on VyOS 1.3 but no longer do on 1.4 - protocol must be specified.
During config migration protocol is set to tcp_udp
set firewall group port-group ipsec port '4500' set firewall name out-local default-action 'drop' set firewall name out-local rule 10 action 'accept' set firewall name out-local rule 10 state established 'enable' set firewall name out-local rule 10 state related 'enable' set firewall name out-local rule 11 action 'drop' set firewall name out-local rule 11 state invalid 'enable' set firewall name out-local rule 50 action 'accept' set firewall name out-local rule 50 destination group port-group 'ipsec' set firewall name out-local rule 50 source address '1.2.3.4/32' set firewall name out-local rule 50 state new 'enable'