Re: Telnet to a subnet system?

[Jay Crews <jpc jaycrews com>]

Kevlar writes....
> 
> 
> What about a machine on the LAN behind that server? Possible?

For ssh, you'll have to have port 22 open going
"inbound" and "outbound" depending on which way you are going.

You kind of lost me as to whether you were trying to ssh
into work from home, or home from work.

Unless your work is blocking port 22 going out, you should be able
to go from work to home.  Most sys admins are far more concerned
with who gets in, than who gets out.
Depending on your security policy at work, using ssh from home
TO work may be tough.  Getting your system admin to open up
inbound traffic on port 22 might be as easy as, "Sure! No problem!"
Or might be more like forms, signatures, and compelling business
reasons to open it up.

Which way are you trying to go?


> 
> On Tue, 28 Oct 2003 16:06:00 -0800
> Rick Stevens <rstevens vitalstream com> wrote:
> 
> > Kevlar wrote:
> > > At work I have a machine which acts as a fileserver and an internet gateway for all the other machines on the LAN. All the workstations on the LAN are Win2000 except for mine which is running Redhat 9.
> > > 
> > > Is it possible to telnet or ssh, etc to my linux machine on the LAN, through the server machine and the internet connection? So that I can retrieve data from my linux workstation at work through my internet connection and also linux system at home?
> > 
> > Sure.  I do it all the time.  First off, NEVER, EVER use telnet!  It is
> > a massive security hole.
> > 
> > Second, you must have sshd running on the target box (your Linux
> > server).  Use redhat-config-services (or ntsysv or "service sshd start")
> > to enable sshd.
> > 
> > Third, you must know the IP address of the Linux box.
> > 
> > Fourth, on your client machine, "ssh username ip-address-of-server" and
> > you should get a login prompt.
> > 
> > For more gory details, read Mark Knecht's article on doing this at
> > http://www.rhil.net/docs/ssh_setup.html
> > ----------------------------------------------------------------------
> > - Rick Stevens, Senior Systems Engineer     rstevens vitalstream com -
> > - VitalStream, Inc.                       http://www.vitalstream.com -
> > -                                                                    -
> > -     Never put off 'til tommorrow what you can forget altogether!   -
> > ----------------------------------------------------------------------
> > 
> > 
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-- Jay Crews
jpc jaycrews com