Port-Forwarding doesn't work - I tried the troubleshooting

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ShacharWeis
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Joined: 05 Aug 2012
Posts: 6

PostPosted: Sun Aug 05, 2012 20:01    Post subject: Port-Forwarding doesn't work - I tried the troubleshooting Reply with quote
I have a LinkSys E1200 running DD-WRT v24-SP2
I can't get the port forwarding to work.

I'm trying to direct port 5162 to 192.186.1.101
when I open 192.186.1.101:5162 it works
If I try my external IP at that port, it times out.

Any help would be appreciated.
Here are the tables from the telnet :

Code:
root@DD-WRT:~# iptables -t nat -vnL PREROUTING
Chain PREROUTING (policy ACCEPT 1221 packets, 147K bytes)
 pkts bytes target     prot opt in     out     source               destination
    0     0 DNAT       icmp --  *      *       0.0.0.0/0            76.10.160.246       to:192.168.1.1
    6   300 DNAT       tcp  --  *      *       0.0.0.0/0            76.10.160.246       tcp dpt:5162 to:192.168.1.101:5162
    0     0 DNAT       udp  --  *      *       0.0.0.0/0            76.10.160.246       udp dpt:5162 to:192.168.1.101:5162
  414 48814 TRIGGER    0    --  *      *       0.0.0.0/0            76.10.160.246       TRIGGER type:dnat match:0 relate:0
root@DD-WRT:~# iptables -vnL FORWARD
Chain FORWARD (policy ACCEPT 25 packets, 1108 bytes)
 pkts bytes target     prot opt in     out     source               destination
   12   600 ACCEPT     0    --  br0    br0     0.0.0.0/0            0.0.0.0/0
  408 19904 TCPMSS     tcp  --  *      *       0.0.0.0/0            0.0.0.0/0           tcp flags:0x06/0x02 TCPMSS clamp to PMTU
14946 8602K lan2wan    0    --  *      *       0.0.0.0/0            0.0.0.0/0
13897 8469K ACCEPT     0    --  *      *       0.0.0.0/0            0.0.0.0/0           state RELATED,ESTABLISHED
    0     0 ACCEPT     tcp  --  *      *       0.0.0.0/0            192.168.1.101       tcp dpt:5162
    0     0 ACCEPT     udp  --  *      *       0.0.0.0/0            192.168.1.101       udp dpt:5162
    0     0 TRIGGER    0    --  ppp0   br0     0.0.0.0/0            0.0.0.0/0           TRIGGER type:in match:0 relate:0
 1049  132K trigger_out  0    --  br0    *       0.0.0.0/0            0.0.0.0/0
 1024  131K ACCEPT     0    --  br0    *       0.0.0.0/0            0.0.0.0/0           state NEW
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Dark_Shadow
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PostPosted: Sun Aug 05, 2012 22:50    Post subject: Reply with quote
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=89353

In the stickies

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ShacharWeis
DD-WRT Novice


Joined: 05 Aug 2012
Posts: 6

PostPosted: Sun Aug 05, 2012 23:06    Post subject: Reply with quote
This is not a loopback issue,
the port forwarding also does not work from outside my network.
crashfly
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Joined: 24 Feb 2009
Posts: 2026
Location: Sol System > Earth > USA > Arkansas

PostPosted: Mon Aug 06, 2012 3:30    Post subject: Reply with quote
ShacharWeis wrote:
This is not a loopback issue,
the port forwarding also does not work from outside my network.

If you believe that to be the case, then your problem will be with a firewall or internet security software on the destination computer. Check and double check that nothing is blocking the port on the computer. Once that is done and if you are still having issues, then check out the above thread as suggested by Dark_Shadow.

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