magicrhesus/fail2ban — comment on commit 7d465f98c109801d6162ecb01d301aee7fbe2d8c
File: config/jail.conf line 260
By yarikoptic:

does it work for you this way with protocol="tcp,udp"?

iptables I think doesn't support comma separated protocol specifications, and I don't think f2b anyhow pretreats those