Snort mailing list archives

Re: How to Ignore certain alerts


From: Joel Esler <jesler () sourcefire com>
Date: Sun, 20 Sep 2009 07:51:38 -0400

Sourcefire is a commercial product. Www.sourcefire.com

On Saturday, September 19, 2009, Daniel Qian
<daniel.qian () supracanada com> wrote:







I am also on command line for the snort part where
the alerts are output to unified2 format before barnyard2 parses them into
Mysql database for Base to display.

By the way, is there a Linux version of Sourcefire
interface?

  ----- Original Message -----
  From:
  Joel
  Esler <javascript:_e({}, 'cvml', 'jesler () sourcefire com');>
  To: Daniel Qian <javascript:_e({}, 'cvml', 'daniel.qian () supracanada com');>
  Cc: snort-users () lists sourceforge net

  Sent: Saturday, September 19, 2009 10:11
  PM
  Subject: Re: [Snort-users] How to Ignore
  certain alerts

Maybe someone that uses the BASE interface can answer for you.
   I haven't used anything but the command line and Sourcefire's interface
  for about 4 years.


  J

  On Sat, Sep 19, 2009 at 10:02 PM, Daniel Qian <daniel.qian () supracanada com>
  wrote:


    How do I get the value for gen_id, sig_id from
    the Base output to put in threshold.conf file?


      ----- Original Message -----
      From: Joel Esler

      To: Daniel Qian

      Cc: snort-users () lists sourceforge net



      Sent: Saturday, September 19, 2009
      8:34 PM
      Subject: Re: [Snort-users] How to
      Ignore certain alerts

You should place the suppressions in the threshold.conf
      file.  Make sure that the file is also uncommented in the snort.conf
      file.  (It's at the very bottom of the stock file)


      J

      On Sat, Sep 19, 2009 at 8:13 PM, Daniel Qian <daniel.qian () supracanada com> wrote:
      Should
        I place the suppression rule in rules/local.rules file? In Base
        interface, where can I find the sid of the alerts that get
        triggered?

----- Original Message ----- From: "Joel Esler" <jesler () sourcefire com>
To: "Daniel Qian" <daniel.qian () supracanada com>
Cc: <snort-users () lists sourceforge net>
Sent: Friday,
        September 18, 2009 6:43 PM
Subject: Re: [Snort-users] How to Ignore
        certain alerts





        Check
          out "suppression" in the Snort manual.

J

On Friday,
          September 18, 2009, Daniel Qian <daniel.qian () supracanada com> wrote:
          I
            am having nearly 10000 Microsoft SQL server related alerts produced
            by
Snort for our /23 network block. But most of our systems are
            not even
Microsoft. I am trying to make Snort send these alerts
            for only a couple
servers. so I have tried putting

var
            SQL_SERVERS [x.x.x.x/32,y.y.y.y/32]

in snort.conf but it
            doesnt do anything for me. What is the best approach to
achieve
            that result?

Two links about the alerts copied from
            Barnyard2:

http://www.microsoft.com/technet/security/bulletin/MS02-039.mspx

http://vil.nai.com/vil/content/v_99992.htm


Thanks,
Daniel


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