Re: [Plug] telnetting around a firewall

[Kyle Burton <mortis@voicenet.com>]

Telnet _to_ the proxy server.  Proceed from there.  As I said in the 
email I sent before :)

k

------------------------------------------------------------------------------
The streets will flow with the blood of the non-beleivers! 
    -- Beavis
mortis@voicenet.com                            http://www.voicenet.com/~mortis
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On Tue, 26 Oct 1999, Nick R wrote:

> Hmm, interesting. Can you tell me a bit of the background of the nature of 
> your account? I'd only be able to login using a massive group account, so I 
> don't know that that would allow you to telnet in. Did you have a shell 
> account on the server or something?
> 
> 
> >From: Kyle Burton <mortis@voicenet.com>
> >Reply-To: plug@lists.nothinbut.net
> >To: plug@lists.nothinbut.net
> >Subject: Re: [Plug] telnetting around a firewall
> >Date: Tue, 26 Oct 1999 08:50:07 -0400 (EDT)
> >
> >I seem to remember being able to telnet thorugh an MS proxy -- to do so,
> >I had to telnet to the proxy machine, login in using some combination of
> >a user/pass command, and then, once I was authenticated to the MS proxy,
> >I was able to enter a host address to telnet to and it made the connection
> >on my behalf.
> >
> >Same type of thing worked for ftp, though the auth/connection process was
> >wacked in comparision -- had to do something like:
> >
> >ftp proxy_user@external.host.com
> >
> >Then type in my password to the proxy...I dont' remember, but it only took
> >a little hackign around to figure out the proxy's syntax for doing this.
> >
> >
> >k
> >
> >------------------------------------------------------------------------------
> >The streets will flow with the blood of the non-beleivers!
> >     -- Beavis
> >mortis@voicenet.com                            
> >http://www.voicenet.com/~mortis
> >------------------------------------------------------------------------------
> >
> >On Mon, 25 Oct 1999, Nick R wrote:
> >
> > > no dice. m$ proxy over here. I'm making some progress w/ the cgi script
> > > though. I just need to figure out how to login w/o typing in the 
> >password.
> > > Like
> > > su laktar <pass
> > > but w/o having to put my password in a file called pass
> > >
> > >
> > > >From: "Sean R. Cummins" <beaner@Op.Net>
> > > >Reply-To: plug@lists.nothinbut.net
> > > >To: Plug <plug@lists.nothinbut.net>
> > > >Subject: Re: [Plug] telnetting around a firewall
> > > >Date: Mon, 25 Oct 1999 21:17:08 -0400 (EDT)
> > > >
> > > >
> > > > > Recently I've been spedning some time trying to work around my 
> >schools
> > > > > telnet restrictions so I can use my computer.  There is a firewall 
> >in
> > > > > place which seems to make some telnet connects impossible, while
> > > > > others work.  I can telnet to my ISP, which runs NT, but my computer
> > > > > and CCIL both report that the connection was dropped.  I thought 
> >this
> > > > > may have something to do with firewalls and the way the server
> > > > > interacted with the client, but I don't know.
> > > >
> > > >Well, a lot of this depends on exactly what kind of firewall you're
> > > >dealing with here.  If its a packet filtering or stateful inspection
> > > >firewall (ie, a firewall that actually routes data at the network layer
> > > >rather than proxying it at the application layer), you can just tell
> > > >in.telnetd to run on port 80, like this:
> > > >
> > > ># /usr/sbin/in.telnetd -debug 80 &
> > > >
> > > >Then just telnet to port 80 of your machine.  To do this in UNIX/Linux,
> > > >you would just use:
> > > >
> > > >$ telnet host 80
> > > >
> > > >In Windows, you'd need to run the telnet application specify the port 
> >in
> > > >the connect to window or whatever.
> > > >
> > > >This won't work if your school happens to be using a proxy firewall, 
> >like
> > > >MS Proxy server or something like that.
> > > >
> > > >- Sean
> > > >
> > > >--
> > > >Sean R. Cummins
> > > >Lead Network Engineer
> > > >e-Vend.net Corporation
> > > >scummins@op.net
> > > >echo njdsptpgu tvdlt | tr [b-z] [a-y]
> > > >
> > > >
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