Re: Ssh hangs after authentication

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Date: Thu, 25 Aug 2005 09:52:22 +1000
To: Adam Kerrison <Adam.Kerrison@tideway.com>

Adam Kerrison wrote:
> I'm having trouble with openssh when connecting from my Mac OS X (Tiger)
> laptop at home to a Linux server in my office. When I'm in the office
> everything works fine, when I'm at home the ssh connection just hangs.
> I have an ADSL router at home which acts as a Firewall with NAT but I don't
> believe the problem is there (see below). Also from home I have to use a
> CiscoVPN but again I don't think that's the problem.

Sounds like this: http://www.snailbook.com/faq/mtu-mismatch.auto.html

"My SSH session hangs part way through logging on, when I generate a lot
of output from my shell, try to scp or sftp a file, or attempt to run an
X11 application. I have a firewall, NAT or packet filter..."

[...]
> Now the final twist: If I use PuTTY from a Windows machine at home it works
> fine. I have now downloaded and tried the Mac OS X version of PuTTY and that
> also works!

Different network parameters on each box (eg interface MTU, path MTU
discovery) may cause them to behave differently.

-- 
Darren Tucker (dtucker at zip.com.au)
GPG key 8FF4FA69 / D9A3 86E9 7EEE AF4B B2D4  37C9 C982 80C7 8FF4 FA69
    Good judgement comes with experience. Unfortunately, the experience
usually comes from bad judgement.

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