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Bug#929681: openssh: port forwarding (-L option) stopped working



On Tue, May 28, 2019 at 11:42:44AM -0400, Gary Dale wrote:
> Source: openssh
> Version: 7.9

Could you give the exact package versions involved?  "dpkg-query -W
openssh-client" on the client side and "dpkg-query -W openssh-server" on
the server side.

> Since I can connect from the VM, the problem must be with the SSH tunnel. Because my
> ssh session to the remote server is working, the problem appears to be with ports not
> being forwarded.

Could you add the -vvv option to your ssh invocation and post the full
output?  That should tell us more about what's going on with port
forwarding.

> The problem has only been occuring for no more than 1 week, since I was able to connect 
> early last week.

As you can see on https://tracker.debian.org/pkg/openssh, openssh hasn't
changed in either stable or testing in over a month, so if the problem
only started a week ago then it was probably caused by something else.
Perhaps something at the network layer?

-- 
Colin Watson                                       [cjwatson@debian.org]


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