...also, it appears that the hook script /etc/libvirt/hooks/daemon to
be
called when the libvirt daemon is started is actually called _before_
libvirt adds its own iptables rules, because I am not able to insert my
custom rule at the top of the chain.
how about this daemon hook script?
#!/bin/bash
#
insert_rule() {
sleep 2
iptables -t nat -D CUSTOM_RULE
iptables -t nat -I CUSTOM_RULE
}
case $2 in
start|reload)
insert_rule >/dev/null 2>&1 &
;;
*)
:
;;
esac