Snort mailing list archives

Re: Snort Inline


From: Jihoon Chung <jhchung () sig-n com>
Date: Fri, 3 Jan 2003 10:48:08 +0900

Don't you have to put something like below to get all the packets?

iptables -t filter -A FORWARD -j QUEUE

Last time I used snort-inline (was very long ago..), I put the above
line and it worked nicely..

On Thu, Jan 02, 2003 at 10:52:28AM -0600, Bob McDowell wrote:
I have no 'official' documentation as of yet.  I'm still feeling around in
the dark, searching for answers.  I can, however, share with you the (mostly
undocumented) steps you'll need to take.  Maybe someone from the list can
correct my mistakes.

1)  Get the iptables source and re-compile it into the kernel src, with ipq
enabled:  make install-devel KERNEL_DIR=(your kernel source dir)
2)  Then compile your new kernel with that option.  You will have to enable
'Experimental code' as well as 'Userspace queuing' in your 'make menuconfig'
step.
3)  Get and install libpcap
4)  Get and compile snort-inline - './configure --enable-inline'
5)  Change one of the included rules from 'alert xyz' to 'drop xyz'
6)  Run snort with the -Q option

If you get no errors, you are now as far as I am...

As I've stated, I'm have issues with logging.  With the -Q option passed to
snort, it does not log anything at all.  I suppose it may not even be
working at all, but at least I've quieted all the errors.




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