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netfilter_arp
2007 Sep 21
1
SIP and Firewall
Dear Group!
I want to improve the firewall rules for SIP
and I already compiled the linux kernel with additional SIP netfilter
settings
Now I found this on the internet:
modprobe ip_conntrack_sip ip_nat_sip
Set IPtables filter rules
iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A INPUT -p udp --dport 5060 -j ACCEPT
Set IPtables NAT rules
iptables -A FORWARD -o