| By TuxInvader,
on 14-07-2006 22:48
|
Views : 1366 |
Published in : Technology, Linux |
One method I've used for accessing my home box from the interweb is to use a dynamic DNS account. I have a script that is run from cron that does a lookup on a certain hostname and updates an iptables chain whenever the IP changes.
I don't need to leave SSH open, I just carry the username/password for the ddns account and update it whenever I need access from somewhere. Within a few minutes a hole is opened through the firewall and I can log in. The script allows you to add multiple hostnames and multiple ports, you should be able to easily modify it to suit your requirements. It's a good idea to reset the IP on the dns account to a trusted host when you've finished  You will need to create a NetFilter chain with a return rule at the end and jump into from the INPUT chain. Once that's done ddnsholes will do the rest.
Copyright: Mark Boddington 2005 If you want a more secure method using GPG protected email take a look at GPGSesame Last update : 20-10-2006 18:38
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