Correct Link for the Snort Virtual Users Group

[Mike Guiterman <mike.guiterman () sourcefire com>]

Hi all,

My apologies for the bad link.  The correct link to register for the Virtual
Users Group is below:

https://sourcefire.webex.com/sourcefire/j.php?ED=86930197&RG=1


Mike


On 9/18/06 10:51 PM, "snort-users-request () lists sourceforge net"
<snort-users-request () lists sourceforge net> wrote:

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>    1. SMTP preprocessor triggering on incorrect data (Jason Haar)
>    2. Inaugural Snort Virtual Users Group Meeting Sept. 28
>       (Mike Guiterman)
>    3. Re: Inaugural Snort Virtual Users Group Meeting Sept. 28
>       (Will Metcalf)
>    4. Re: Inaugural Snort Virtual Users Group Meeting Sept. 28 (Jason)
>    5. Re: error: log_tcpdump TcpdumpInitlogefile():no error (Joel Esler)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 19 Sep 2006 07:12:03 +1200
> From: Jason Haar <Jason.Haar () trimble co nz>
> Subject: [Snort-users] SMTP preprocessor triggering on incorrect data
> To: snort-users () lists sourceforge net
> Message-ID: <450EEF83.3040003 () trimble co nz>
> Content-Type: text/plain; charset=ISO-8859-1
>
> I just had an FP event generated by the SMTP preprocessor
>
> # smtp: SMTP normalizer, protocol enforcement and buffer overflow
> preprocessor smtp:   ports { 25 587 }   ignore_tls_data ignore_data
> inspection_type stateful   normalize cmds   normalize_cmds { EXPN VRFY
> RCPT }   alt_max_command_line_len 260 { MAIL }
> alt_max_command_line_len 300 { RCPT }   alt_max_command_line_len 500 {
> HELP HELO ETRN }   alt_max_command_line_len 255 { EXPN VRFY }
>
>
> The event was "Attempted specific command buffer overflow: HELP, 941
> chars", but the captured packet shows the word help was actually within
> the DATA component of the SMTP stream - not a SMTP command. It was from
> one of our internal Exchange servers to another Exchange server, so I
> assume their initial SMTP dialog was vaguely compliant. :-)
>
> This is snort 2.6.0.2 under RHE4



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