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2002 Jan 17 17:05

The following is an archive of a post made to our 'vox-tech mailing list' by one of its subscribers.

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Re: [vox-tech] Virtual Private Networking Suguestions.
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Re: [vox-tech] Virtual Private Networking Suguestions.



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Thier firewall likes to transparnetly proxy most protocals.

for example....


$ telnet ticalc.org 25
Trying 195.67.128.26...
Connected to ticalc.org.
Escape character is '^]'.
220 firewall.djusd.k12.ca.us Generic SMTP handler

and

$ telnet step.mother.com
Trying 207.215.64.108...
Connected to step.mother.com.
Escape character is '^]'.

Raptor Firewall Secure Gateway.
Debian GNU/Linux 2.2 step.mother.com
step login:

I suspect this behavior could screw ssh up.

On Thursday, January 17 2002 04:41 pm, Ken Bloom wrote:
> > ---- ORIGINAL MESSAGE ----
> > Date: Thu, 17 Jan 2002 13:21:45 -0800 (PST)
> > From: "Mark K. Kim" <markslist@cbreak.org>
> > To: vox-tech@lists.lugod.org
> > Subject: Re: [vox-tech] Virtual Private Networking Suguestions.
> > Reply-To: vox-tech@lists.lugod.org
> >
> > On Thu, 17 Jan 2002, Ryan wrote:
> > > I'd use ssh, but for some reason my school ( davis high ) has it
> > > blocked ( couldn't even get it to work on weird ports )
> >
> > Perhaps they have all ports blocked except for the ones they want opened?
>
> The best way to do what you want to do is to set up your ssh to listen on
> port 23, which normally hosts telnet. Then, you can use `ssh -p 23
> your.host.com` and connect through the open telnet port. Most Windows SSH
> clients also have boxes into which to type an alternate port for an SSH
> connection. You can change your startup call of sshd to use its -p option
> so that it listens on port 23.
>
> Tunnelling over HTTP may also work, but may require more sophisticated
> tools. Telnet by its nature should go directly to whatever its destination
> because the concept of telnet is that you're typing at a remote computer
> and it is typing back. HTTP on the other hand, may go through a proxy.
>
> I find that it's also very convenient to have a web server running on my
> box, for the purpose of serving up a Java-based SSH client that I can use
> when I go to a computer lab that doesn't have SSH installed.
> _______________________________________________
> vox-tech mailing list
> vox-tech@lists.lugod.org
> http://lists.lugod.org/mailman/listinfo/vox-tech

- -- 
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