Hi,
For a couple of days I've been trying to allow ssh access to a box in my
network from outside (ie over the net). The networks are behind a Smoothwall
box and an ADSL router.
There are no problems with ssh across one of my networks, or between the net
on smoothwall's 'green' i-face and the DMZ network on the 'orange' i-face.
However, as soon as I try from an external box, ssh hangs after
authentication. The last gasp of the debugging output is: "open confirm
rwindow 0 rmax 32768". Then nothing.
Here are some of my (failed) ideas:
-as far as sshd_config goes, turning off X forwarding fails to resolve the
problem
-turning X forwarding on, with DisplayOffset at 10 also fails
-outside sshd_config, it does not appear to be an MTU/MRU issue (all values
align, and I've also tried at 576 across the board instead of 1500).
-varying ssh options (eg -1; -X) didn't help
-upgrading to the latest openssh packages (3.9) didn't improve the situation,
but it did provide some new (and seemingly relevant) options in the
sshd_config
- nonetheless, disabling UseDNS (in sshd_config) did not resolve the problem
Any advice would be welcome.
Richard
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