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Full Discussion: filter errors in log
Top Forums UNIX for Advanced & Expert Users filter errors in log Post 302253190 by nobo on Friday 31st of October 2008 06:34:02 AM
Old 10-31-2008
Yes, many.

Here is something I use to give me summaries of iptables action by port #:

Code:
[root@gna ~]# cat bin/portActivity
#! /bin/bash
LOGFILE='/var/log/messages'
[ -n "$1" ] && LOGFILE=$1
egrep 'iptables' $LOGFILE | egrep -v 'PROTO=2' | sed 's/DF//' | awk '{ print $22}' \
| cut -b '5-' | sort -n | uniq -c | awk '{ print "port " $2 " had " $1 " hits" }'
[root@gna ~]# portActivity | head
port 21 had 15 hits
port 22 had 36 hits
port 23 had 20 hits
port 52 had 2 hits
port 53 had 1 hits
port 57 had 3 hits
port 60 had 2 hits
port 80 had 9 hits
port 110 had 1 hits
port 111 had 1 hits
[root@gna ~]#

YMWV depending on how your firewall logs stuff.

Learn the toolbox!

nobo
 

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LEARN ABOUT DEBIAN

spamalyze

SPAMALYZE(1p)						User Contributed Perl Documentation					     SPAMALYZE(1p)

NAME

       spamalyze - Apply multiple Realtime Blackhole Lists to all messages in an mbox

SYNOPSIS

	   spamalyze myspam.mbox

	   spamalyze goodstuff.mbox

	   tail -3000 some.mbox | spamalzse

DESCRIPTION

       Spamalyze reads in an mbox file containing multiple mail messages and looks up the originating server of each message on multiple Realtime
       Blackhole Lists.  Spamalyze uses Net::RBLClient.

       Spamalyze lets you find out what the impact would be of filtering via various RBL's.

       The output report contains two sections.  The first section has one line per email message, showing:

       * Sending IP address
       * Sending hostname if any
       * Whether the IP is on a small list of possibly spammish netblocks
       * A list of letters representing RBL's which returned responses for this IP address

       The second section contains one line for each of the top RBL's.	That is, the RBL's which produced the most hits.  The RBL's are listed in
       decreasing order of hits.  Each line contains:

       * The letter assigned to the RBL - "A" is the one with the most hits
       * The domain name of the RBL
       * The number of hits from the RBL

OPTIONS

       No options.

SEE ALSO

       Net::RBLClient(3)

AUTHOR

       Asher Blum <asher@wildspark.com>

COPYRIGHT

       Copyright (C) 2004 Asher Blum.  All rights reserved.  This code is free software; you can redistribute it and/or modify it under the same
       terms as Perl itself.

perl v5.8.8							    2008-03-04							     SPAMALYZE(1p)
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