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hi list,
| How to determine normal/peak rate of packets with SYN to my debian box, for using this value | in iptables limit match. here you are:
- --- CUT --- #!/bin/sh
TEMPFILE=`tempfile` SCOREFILE="/tmp/scorefile" MYHOST="10.0.0.254"
while [ 1 -eq 1 ]; do DATE1=`date +%s` tcpdump tcp[13]=0x2 and dst $MYHOST 2> /dev/null > $TEMPFILE & sleep 10 killall tcpdump DATE2=`date +%s` NUMBER=`cat $TEMPFILE | wc -l` echo "$DATE1 $DATE2 $NUMBER" >> $SCOREFILE echo -n > $TEMPFILE done
rm $TEMPFILE - --- CUT ---
just change MYHOST to your ip and viola :) then just suck the scorefile to some spreadsheet or just visually analise it.
Greetings,
Kuba BIGHard Jakubik -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org
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