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90 posts

Master Geek
+1 received by user: 3


Topic # 85067 13-Jun-2011 08:47
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Hi

I have a Nokia M1122 ADSL modem.   Sitting behind the modem is a firewall appliance (IPCop).  The problem is that I can't set up ssh connections from out on the internet.  It should be as simple as opening up pin holes to forward ports through my modem and firewall, but I can't get it to work.

What I want to do is allow authorized ssh connections from the internet through the modem and through the firewall. The ssh ports are not standard (12345 and 2220).  I want one connection (2220) to go to the firewall, and the other (12345) to go to a PC on my network with a static address. No matter what I have tried, I don't seem to be able to break through the modem.  When I try to ssh in from the internet, I get "connection refused". 

It appears that the modem is blocking ssh connection attempts.  The modem is setup on Telecom.  I use dyndns to get the telecom IP.  On my side of the network, all IP addresses are static.  I don't need the modem firewall features so I have tried turning off NAPT, but then I can't connect out to the internet.  I have ticked all the "bridge" boxes.  I have tried setting up pinholes through the NAPT page, but my firewall doesn't record any successful hits.   Stateful Packet Inspection is disabled.

I have the firewall set up to forward the 12345 port onto the internal PC.

Has anyone successfully set up a Nokia M1122 to allow external ssh connections to pass through???
If so, how is it set up?

Dazz

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584 posts

Ultimate Geek
+1 received by user: 90


  Reply # 480523 13-Jun-2011 09:25
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I just tried it here and it appears to work fine:



Nokia M1122 with an Untangle box behind it.



90 posts

Master Geek
+1 received by user: 3


  Reply # 480545 13-Jun-2011 10:14
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Hi

I have the same equivalent entrys for my setup. 
Tonight, I will post some screen shots of some other parts of the setup to see if they are the same/different.

Dazz

3206 posts

Uber Geek
+1 received by user: 613

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  Reply # 480812 13-Jun-2011 23:33
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I dont have an answer, other than maybe try a modem with ppp extension or half bridge mode, and that way your wan port on the ipcop pc will be the direct internet connection without any double natting.

But the thing i did want to say is
WOW i didnt know those things still functioned.




Ray Taylor
Taylor Broadband (rural hawkes bay)
www.ruralkiwi.com

There is no place like localhost
For my general guide to extending your wireless network Click Here






90 posts

Master Geek
+1 received by user: 3


  Reply # 481152 14-Jun-2011 19:20
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Hi

Yea, its an oldy but a goody.  It just goes and goes.  I have a Netgear modem, but no reason to change.  It still NATS the traffic.

I have managed to get the port through to the red interface to my firewall.  I just need to try and get it inside my home network.  The modem bridging works.  The firewall sees the Jetstream IP address.

I never thought it would be so hard to break into my own network.

Dazz

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