What ports tend to be unfiltered by boneheaded firewalls?

Posted by Reid on Server Fault See other posts from Server Fault or by Reid
Published on 2010-05-30T20:06:54Z Indexed on 2010/05/30 20:13 UTC
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firewall

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firewall-traversal

Hi all,

I like to be able to ssh into my server (shocking, I know). The problem comes when I'm traveling, where I face a variety of firewalls in hotels and other institutions, having a variety of configurations, sometimes quite boneheaded.

I'd like to set up an sshd listening on a port that has a high probability of getting through this mess. Any suggestions?

The sshd currently listens on a nonstandard (but < 1024) port to avoid script kiddies knocking on the door. This port is frequently blocked, as is the other nonstandard port where my IMAP server lives.

I have services running on ports 25 and 80 but anything else is fair game. I was thinking 443 perhaps.

Much appreciated!

Reid

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