http://advice.networkice.com/advice/Intrusions/2000901/default.htm
At 10:43 AM 8/23/00 -0700, [EMAIL PROTECTED] wrote:
>The characteristics of a Telnet connection are significantly different
>from a standard SMTP connection and some firewall proxies can recognize
>and drop Telnet connections but what's the point? It's trivial to create
>an interactive SMTP emulation that would bypass this check. The port is
>designed to for TCP connections that passes ASCII text characters. What
>would you be accomplishing by preventing/dropping Telnet connections?
>
>-- Bill Stackpole, CISSP
>
>
>
>
>Ronneil Camara <[EMAIL PROTECTED]>
>Sent by: [EMAIL PROTECTED]
>
>08/23/00 08:09 AM
>
> To: "'[EMAIL PROTECTED]'" <[EMAIL PROTECTED]>
> cc:
> Subject: SMTP servers
>
>I've noticed that when I telnet to any mail servers on port 25, I can send
>email to anyone using SMTP commands. Is there a way to stop this?
>
>Thanks.
>
>Onie
>--
> .-------------------------------------------------------.
> o^o | Ronneil Camara | [EMAIL PROTECTED] |
> /V\ |--------------------| +632 6354086 +63917 5326993 |
> // \\ | "The only way to `----------------------------------|
> /( )\ | stop a hacker is to think like one." |
> ^^-^^ | ...brilliant misguided youth |
> `-------------------------------------------------------'
>-
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