[olug] restricting ports on SSH forwarding

Reiners Cloud Consulting LLC justin at reiners.io
Thu May 28 19:22:07 CDT 2020


I realize it's windows based ssh but maybe it has some similar flags to get
you in pointed in the right direction.

On Thu, May 28, 2020, 7:19 PM Justin Reiners <justin at hotlinesinc.com> wrote:

> Here's a good write-up on restricting access, hope it helps
>
>
> https://blog.tinned-software.net/restrict-ssh-access-to-port-forwarding-to-one-specific-port/
>
> On Thu, May 28, 2020, 6:41 PM Lou Duchez <lou at paprikash.com> wrote:
>
> > So SSH forwarding is a dandy way to get data to travel back and forth
> > over a secure encrypted connection.  The only problem I'm aware of is,
> > if I open up SSH port forwarding on my server to allow access to port
> > 11111, there's nothing stopping a user from using the same SSH
> > connection get at port 22222.
> >
> > ... or is there?  Any thoughts on how to limit the port forwarding on an
> > SSH connection?  In particular I'm using freeSSHd on a Windows server,
> > so if anyone knows anything about that, that would help.
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