Snort mailing list archives

Re: snort-2.9.4, daq 2.0.1 afpacket in inline mode snort fails to drop packets even when RULE is set to drop


From: Y M <snort () outlook com>
Date: Thu, 15 Aug 2013 21:16:05 +0000


Sorry I missed that --> you also need to add the -Q to your command.
To: rgreenhouse413 () gmail com; snort-users () lists sourceforge net
From: snort () outlook com
Date: Fri, 16 Aug 2013 00:08:55 +0300
Subject: Re: [Snort-users] snort-2.9.4, daq 2.0.1 afpacket in inline mode snort fails to drop packets even      when 
RULE is set to drop







Does adding --daq-mode inline to your command and config policy_mode:inline to your snort configuration file change the 
behavior?





From:
Robert Greenhouse

Sent:
‎8/‎15/‎2013 11:45 PM

To:
snort-users () lists sourceforge net

Subject:
[Snort-users] snort-2.9.4, daq 2.0.1 afpacket in inline mode snort fails to drop packets even when RULE is set to drop







Hi,
snort-2.9.4, daq 2.0.1 afpacket in inline mode snort fails to drop packets even when RULE is set to drop?
We have our system setup to inline mode using afpacket (./snort --daq afpacket -i eth0:eth1).
 
Also have iptables configured to: 
 
iptables -I FORWARD -i eth0 -o eth1 -j ACCEPT
iptables -I FORWARD -i eth1 -o eth0 -j ACCEPT
 
echo 1 > /proc/sys/net/ipv4/ip_forward
 
Why doesn’t snort drop the packet when the rule fires?
 
This is a major problem
 
Thanks,
Richard
 






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