Good afternoon. Maybe someone can help. Installed Ubuntu 22.04.2+hestia+Keepalived and there is a problem with adding rules to the firewall:
iptables -t filter -I OUTPUT -p vrrp -d 224.0.0.18 -j ACCEPT
iptables -t filter -I INPUT -p vrrp -d 224.0.0.18 -j ACCEPT
iptables-save > /etc/iptables.rules
This rule is to keepalived services. After adding a rule all seems to work well, but as soon as Hestia produce any manipulation of the firewall (add, delete, change) then immediately disappear rules I entered above. I can’t add this rule through Hestia itself since it doesn’t understand vrrp protocol. Yes, if you enter manually into the file /usr/local/hestia/data/firewall/rules.conf vrrp rules just do not work.
How can I explain to Hestia not to remove my rules or make it work with this protocol so I can add it already via the web interface?
Please check
How can I customize iptables rules? part
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