Re: New to the list--Question

[Erek Adams <erek () theadamsfamily net>]

On Thu, 11 Jul 2002, Eric Joe wrote:

> Hello everyone,
> I am new to the Snort list and forgive me if this question is asked a lot,
> but I am trying to determine the source of a bunch of alerts between 2 of
> my servers.

Welcome to the list!  :)

> Here is a snip from my SnortSnarf output (with IPs changed)
> SNMP public access udp
>
> [**] [1:1411:2] SNMP public access udp [**]
> [Classification: Attempted Information Leak] [Priority: 2]
> 07/10-19:03:31.592176 192.168.1.3:44761 -> 192.168.1.212:161
> UDP TTL:64 TOS:0x0 ID:0 IpLen:20 DgmLen:117 DF
> Len: 97

Well, looks like the source is 192.168.1.3.  ;-)  Ok I'm kidding but not by
much. :)

> I have about 16k+ of these alerts. The .212 box is actually my Snort boxe
> with a fresh install of RH7.3  The other box does mail/dns/radius/web. I
> dont have any SNMP turned on (intentionally anyway).
> If I can find the source, I want to tell Snort to ignore it.

Well, from what the alert shows, it seems to be that the <x>.3 box is sending
a standard SNMP query at your new RH box.  You might want to make sure that
SNMP is turned off on the <x>.212 box.

As for how to ignore it:

        http://www.theadamsfamily.net/~erek/snort/ignore.txt

> Any help is greatly appreciated.

Hope that helped!

-----
Erek Adams
Nifty-Type-Guy
TheAdamsFamily.Net



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