[GTALUG] SSH Hangs

Myles Braithwaite me at mylesbraithwaite.com
Fri Feb 13 14:54:35 UTC 2015


Dev Guy wrote:
> Hi All,
>
> I am having a real nagging problem with ssh. I setup dynamic dns so I
> could I connect to my box from outside.
>
> My basic setup is a router connected to a cable modem.
> I've opened the firewall port 22 tcp/udp on my router.
>
> However he is the problem I am having.
>
> I can ssh into my box from inside my LAN like, ssh 192.168.0.100, works
> fine!
>
> However when I try to ssh using my dynamic dns (or the external IP), ssh
> will hang and never return.

I had a similar problem a few years ago on Bell DSL, the issue was I was 
SSHing into one of their FreeBSD routers (they fixed this issue a year 
ago by blocking incoming on port 22), I fixed it by change the SSH port 
to 2222.


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