[CentOS] PREROUTING - DNAT with iptables for an ASTERISK BOX
indunil75 at gmail.com
Wed Mar 7 09:51:18 UTC 2007
I am running a ASTERISK BOX behind a firewall. It is at DMZ .
Now I want to connect to my ASTERISK BOX from Internet. So I want to DNAT.
How can I do it?
Pls assume that ip address that connects to Internet on firewall is
18.104.22.168and is attached to eth0.
And ASTERISK BOX is 192.168.101.23
Then, What is the rule (PREROUTING) for it? What is the port to DNAT?
I think udp 5060. So I have added below 2 rules . But it does not work at
iptables -t nat -A PREROUTING -p udp -i eth0 -d 22.214.171.124 --dport 5060 -j DNAT
iptables -A FORWARD -p udp -d 192.168.101.23 --dport 5060 -j ACCEPT
Can you help me to solve this issue?
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