On Wed, 13 Jan 2021 20:07:54 -0500 Gary Dale <g...@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