Hi,
which firewall do you mean? the uac firewall or the kamailio firewall?
kamailio doesnt have firewall. kamailio and rtpproxy in centos 5.4 firewall and selinux disabled.
eth0 is configured for ppp0e and eth1 is the private ip and
echo "1" > /proc/sys/net/ipv4/ip_forward
iptables -t nat -A POSTROUTING -o ppp0 -j MASQUERADE
and for asterisk is in fedora14 firewall and selinux also disabled.
for uac the firewall also disabled in the router. (dlink dir-615).
what else do i need to check? pls adv..
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Regards,
MingHon