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Network Security Snort-Users
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RE: [Snort-users] Is this right one?

Subject: RE: [Snort-users] Is this right one?
Date: Fri, 28 Oct 2005 11:59:01 -0700 (PDT)
Why I did not get any alert is because I got an error.
 If I commented out sfportscan, I got an error
"Unknown rule type: memcap" if I run from comnand
snort -c -l and I even could not start the snort
service.  After I uncomment the sfportscan, I have no
problem with -c -l and the service can be restarted.
(I followd the doc on the winsnort to install snort as
a service)

what am I missing?

Thanks,

Peter

--- "Briggs, Bruce" <Bruce.Briggs@suny.edu> wrote:

You won't get any portscan alerts if you comment
out, and thus do not
run, sfportscan.
You should still get http_inspect alerts if you have
not suppressed
them.

Bruce

-----Original Message-----
From: Peter Rodger [mailto:prodger2008@yahoo.com] 
Sent: Wednesday, October 26, 2005 10:22 AM
To: Briggs, Bruce; s
Subject: RE: [Snort-users] Is this right one?

Bruce,

Thank you.  If I commented #preprocessor sfportscan,

i got no alert at all.  Is this normal?

BTW, how do I find out the dropped packets from BASE
console?  (I have a Winsnort on windows 2003, MSSQL
and BASE ocnsole)Currently, the snort box is palced
inside firewall and I span the PIX port to the snort
monitoring port. (I access it from manager interface
on another NIC of the Snort box)

Any suggestions?

Peter

-- "Briggs, Bruce" <Bruce.Briggs@suny.edu> wrote:

The downside is that you don't get alerts of
possible port scans.
Too much noise for my setup and not enough control
over tuning the
portscan alerts for me.

Bruce

-----Original Message-----
From: Peter Rodger [mailto:prodger2008@yahoo.com] 
Sent: Tuesday, October 25, 2005 12:46 PM
To: Briggs, Bruce; s
Subject: RE: [Snort-users] Is this right one?

Bruce,

Thanks for your help as always.  Currently, I did
the
same thing and comment out portscan in the
snort.conf.
I do not know what's the downside about this?

I am getting too much inerest in snort and try to
learn as a baby.  Please forgive my newbabie
questions.

Thank you,

Peter



--- "Briggs, Bruce" <Bruce.Briggs@suny.edu> wrote:

suppress gen_id 119, sig_id 4   works for me.

I don't run portscan, so I've not tried suppress
on
those alerts.

Bruce


-----Original Message-----
From: Peter Rodger
[mailto:prodger2008@yahoo.com] 
Sent: Tuesday, October 25, 2005 12:07 PM
To: Briggs, Bruce; Eric Maheo; s
Subject: RE: [Snort-users] Is this right one?

Hi,

Thanks for your help and it works (only
monitoring
exchange servers' traffic) .

I still could not figure out why this one does
not
work as posted before:
snort] (portscan) Open Port unclassified
[snort] (portscan) UDP Portsweep unclassified
[snort] (http_inspect) BARE BYTE UNICODE
ENCODING

I have attempted to suppress these alerts in my
snort.conf file like the following:
suppress gen_id 122, sig_id 27
suppress gen_id 122, sig_id 19
suppress gen_id 119, sig_id 4

Could it be too much traffic that overkill the
snort
box and can not process suppress as indicated
above?? 
Currently, the snort box is palced inside
firewall
and
I span the PIX port to the snort monitoring
port. 


Please give me some suggestions and hints. 
Should
I
buy taps?

Thanks as always,

Peter


--- "Briggs, Bruce" <Bruce.Briggs@suny.edu>
wrote:

The format should be:
suppress gen_id 1, sig_id 1070

Make sure that you have an uncommented  
include
on
snort.conf  for
threshold.conf.

Also you could comment out  sid_id 1070 in
web-misc.rules

Many use oinkmaster to automatically update
new
Snort sigs and keep mods
to their Snort rules.

Bruce

-----Original Message-----
From: snort-users-admin@lists.sourceforge.net

[mailto:snort-users-admin@lists.sourceforge.net]
On
Behalf Of Peter
Rodger
Sent: Tuesday, October 25, 2005 10:35 AM
To: s
Subject: [Snort-users] Is this right one?

Hi all,
I try to suppress this one event .  
WEB-MISC WebDAV search access
I added suppress sid_id 1070 in the
threshold.conf.
Is this right?

Thanks,

Peter



                
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