Re: Questions after 1.9.1 install

[Chris Green <cmg () sourcefire com>]

John Sage <jsage () finchhaven com> writes:

> Hello all. Long time no post..
>
> Finally put 1.9.1 on after rebuilding my firewall to get into the
> 2.4.18 Linux kernel series, and have I got questions :-/

I'll assume these are questions :)
> First of all, the tcpdump logfile is timestamped in UNIX time:
>
> 901956 Mar 12 20:31 snort.log.1047528578

Yes, that was changed if you are coming from 1.8.x

> Second, this rule is firing:
>
> alert tcp $EXTERNAL_NET 1025:4320 -> $HOME_NET any (msg:"TCP inbound \
> from range 1025-4320";)
>
> but this one isn't:
>
> alert tcp $EXTERNAL_NET any -> $HOME_NET 445 (msg:"TCP inbound to 445 \
> Win2k SMB";)
>
> even though I would think that the RTN list would check a specific
> port before a port list..

Not necessarily. It's rule ordering.  Put the 445 one first in your
config file and see what happens.

> Here's the alert itself:
>
> [**] [1:0:0] TCP inbound from range 1025-4320 [**]
> [Priority: 0]
> 03/13/03-20:24:48.401161 209.181.67.217:3195 -> 12.82.133.46:445
> <snip>
>
>
>
> And thirdly, I'm getting mass these sorts of things:
>
> [**] [117:1:1] (spp_portscan2) Portscan detected from 12.82.133.46:
> 6 targets 6 ports in 5 seconds [**]
> 03/13/03-20:09:52.818983 12.82.133.46:1034 -> 198.133.199.110:53

Portscan2 has a few config options but I Forget what they
are.. Perhaps someone else can answer that.

-- 
Chris Green <cmg () sourcefire com>
 "Not everyone holds these truths to be self-evident, so we've worked
                  up a proof of them as Appendix A." --  Paul Prescod


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