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10.11.2007 at 12:05PM PDT, ID: 22887942
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7.6

How can I use no-ip.org dns to update iptables for remote access with Linux router

Asked by jcgreer in Linux Network Security

Tags: , ,

Hello, I have a linux box that is a router/gateway running iptables rule sets. I have setup a dynamic dns account at www.no-ip.org. This runs a client on my laptop that updates my record at no-ip.org with my current ip address (ie. fred.myvnc.com = xxx.xxx.xxx.xxx).
What I would like to do of course, is have my iptables firewall update with my ip address from my resolved no-ip dns, and allow my laptop to connect to ssh and remote desktop from where ever I am. And have it update, every 5min? or so.  (Usually at my home or another office (but my concern is that my home ip might change and cause me a problem in the future (or if I am out of town))).  I realize that I would not want to do this from a cyber cafe, but I do not want to have the port open to the world full time either, and that IP would change as soon as I get to the office.
I looked a something called port-knocker, http://www.ducea.com/2006/07/05/how-to-safely-connect-from-anywhere-to-your-closed-linux-firewall/
 that looked interesting, but I would rather have it more 'automatic' that I do not need to really do anything special to initiate this (aside from the no-ip.com stuff (which I already use for my home stuff))
Thanks
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[+][-]10.11.2007 at 12:10PM PDT, ID: 20060068

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[+][-]10.11.2007 at 01:42PM PDT, ID: 20060944

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[+][-]10.11.2007 at 09:11PM PDT, ID: 20062985

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Zone: Linux Network Security
Tags: iptables, update, ip
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Solution Provided By: Redimido
Participating Experts: 2
Solution Grade: A
 
 
[+][-]10.21.2007 at 11:57PM PDT, ID: 20121212

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