Re: reject is identical to drop

[Russ Combs <rcombs () sourcefire com>]

On Thu, Jul 7, 2011 at 4:02 AM, Kevin Ross <kevross33 () googlemail com> wrote:

> > From the manual:
>
> 6. drop - block and log the packet
> 7. reject - block the packet, log it, and then send a TCP reset if the
> protocol is TCP or an ICMP port unreachable message if the protocol is UDP.
>
> The sending station should receive back a RST packet.
>
> On 7 July 2011 01:24, HN Nguyen <nhncontact () gmail com> wrote:
>
> > I'm using snort (v2.9.0.5) inline with iptables. I have a rule with
> > "reject" action, but when it triggers, no packet is sent back to the sender
> > (tcpdump on all interfaces confirm this).
> >
> > The rule is:
> > reject tcp any any -> any 7
> >
> > The log shows:
> > 07/07-00:15:19.553113  [Drop][Priority: 0] {TCP} 192.168.41.122:38805 ->
> > 192.168.1.57:7
> >
> > This is identical to the behaviour when I change the action to "drop".
> >
> > Is there anything I'm missing or doing wrong?
Which DAQ are you using?

Do you get any relevant warnings at start up?

Did you review README.active?

> > Thanks.
> >
> >
> > ------------------------------------------------------------------------------
> > All of the data generated in your IT infrastructure is seriously valuable.
> > Why? It contains a definitive record of application performance, security
> > threats, fraudulent activity, and more. Splunk takes this data and makes
> > sense of it. IT sense. And common sense.
> > http://p.sf.net/sfu/splunk-d2d-c2
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> >
> > Please see http://www.snort.org/docs for documentation
>
>
>
> ------------------------------------------------------------------------------
> All of the data generated in your IT infrastructure is seriously valuable.
> Why? It contains a definitive record of application performance, security
> threats, fraudulent activity, and more. Splunk takes this data and makes
> sense of it. IT sense. And common sense.
> http://p.sf.net/sfu/splunk-d2d-c2
> _______________________________________________
> Snort-users mailing list
> Snort-users () lists sourceforge net
> Go to this URL to change user options or unsubscribe:
> https://lists.sourceforge.net/lists/listinfo/snort-users
> Snort-users list archive:
> http://www.geocrawler.com/redir-sf.php3?list=snort-users
>
> Please see http://www.snort.org/docs for documentation
------------------------------------------------------------------------------
All of the data generated in your IT infrastructure is seriously valuable.
Why? It contains a definitive record of application performance, security 
threats, fraudulent activity, and more. Splunk takes this data and makes 
sense of it. IT sense. And common sense.
http://p.sf.net/sfu/splunk-d2d-c2

_______________________________________________
Snort-users mailing list
Snort-users () lists sourceforge net
Go to this URL to change user options or unsubscribe:
https://lists.sourceforge.net/lists/listinfo/snort-users
Snort-users list archive:
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Please see http://www.snort.org/docs for documentation