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vrf Fw: Telnet

Question asked by VRFuser on Jul 22, 2008
Oh! No problemo. Stick a router in front of the computer and forward port 23 outside to port 12345 inside. Just don't run an Italk Chat System client/server inside the wall.
-SHAWN-

> -----Original Message-----
> From: Kjeld Alexander [mailto:k.alexander@get2net.dk]
> Sent: Monday, July 21, 2008 3:47 PM
> To: VRF
> Subject: Fw: [vrf] Fw: Telnet
>
>
> Another way of illustrating my needs, when it comes to telnet com.
>
> I want to estabilish a "gateway". I understand that vee do not go
> below port 1024.
>
> I am thinking, non vee sw (.dll) that bind 23 and connect to port
> 12345 bind by vee. Non vee sw rx data on port 23 and tx received data
> on port 12345, and Non vee sw rx data on port 12345 and tx data on
> port 23.
> Could this work and are it possible on win xp?
>
> I understand that telnet understanding are needed when/if gateway are
> estabilished
>
> BR
>
> Kjeld Alexander
>
>
>
> ----- Original Message -----
> From: "Shawn Fessenden" <shawn@vrfarchive.com>
> To: "VRF" <vrf@agilent.com>
> Sent: Thursday, July 10, 2008 8:31 PM
> Subject: RE: [vrf] Fw: Telnet
>
>
> >> Will this help?
> >
> > Well it proves Windows has an inetd
> >
> > I think the object here is to monitor traffic to identify the client
> > transmissions necessary to initiate a Telnet session to a
> specific server.
> > If that's incorrect then I've been laboring under the wrong
> impression.
> >
> > At any rate, if you want to use Telnet to send commands to
> a computer it's
> > one of the easiest ways to do so. Rather than implement a
> full client, all
> > you really need to do is capture the conversation between
> client & server
> > up
> > to the point you get a prompt and just emulate that in VEE.
> >
> > The problem is you can't listen in on a port once a connection is
> > established. That's why I said use Wireshark.
> >
> > You can easily make a connection & look at the data coming
> back from the
> > server, but in the case of Telnet that doesn't really help
> a whole lot as
> > the protocol is strictly binary - and relatively complex
> when compared to
> > protocols like mail & news. Once you establish a session
> it's a piece of
> > cake but until then you must support the negotiation sequence.
> > -SHAWN-
> >
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