[Snort-users] FTP / Telnet normalization and anomaly detection

Frank Kirschner frank at ...16607...
Sat Dec 7 06:48:28 EST 2013


Hi Rmkml,
 
thanks for this hint. Have now disables checksum and restarted snort. Will
keep the list up to date if I have new results.
 
Thanks everyone for your help,
Frank

  _____  

From: rmkml [mailto:rmkml at ...1855...] 
Sent: Friday, December 06, 2013 6:32 PM
To: frank at ...16607...
Cc: Debieve Franck; James Lay; Snort-users
Subject: RE : Re: [Snort-users] FTP / Telnet normalization and anomaly
detection


Hi Frank, 

Maybe you have wrong cksum, could you try with disabling cksum please? ( -k
none )

Regards
@Rmkml





-------- Message d'origine --------
De : James Lay <jlay at ...13475...> 
Date : 
A : snort-users at lists.sourceforge.net 
Objet : Re: [Snort-users] FTP / Telnet normalization and anomaly detection 


On 2013-12-06 08:17, Frank Kirschner wrote:
> Hello snort-users,
>
> the FileZilla FTP client uses the "MFMT" command during a FTP 
> session. Snort
> blocks this host because "MFMT" is an unknown command.
> I have add "MFMT" in my snort.conf as followed:
>
[redacted]
>
> Now I have the result, some clients are blocked and some not. But 
> why?
>
> best regards
> Frank

Got a pcap or a u2boat output of a unified file?

James

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