Re: Can't connect to workstation using ssh from a remote machine
On Wed, 13 Jan 2021 20:07:54 -0500
Gary Dale <gary@extremeground.com> wrote:
> > Assuming their names are workstation and server, give us the
> > output of the following. Use ctrl-c to cancel things as
> > necessary.
> >
> > >From workstation:
> > $ ping -c3 server
> > $ telnet server 22
> >
> > >From server:
> > $ ping -c3 workstation
> > $ telnet workstation 22
> >
> > -dsr-
> >
> I can get to the server from workstation using ssh. I just can't do
> it in the other direction. On server, I can ping workstation but:
> $ telnet workstation 22
> Trying 192.168.1.20...
> telnet: Unable to connect to remote host: Connection timed out
>
> Whereas the other way, I get a protocol mismatch error.
>
If a protocol works one way but not the other, routing is correct and it
will *always* be a firewall issue.
--
Joe
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