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Fw: vrf Fw: Telnet

Question asked by VRFuser on Jul 21, 2008
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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