how to use netsniff-ng

[kjc...@gmail.com]

daemonlogger is not good performence so i try to change netsniff-ng.
I just changed this script- /etc/openvpn/up.sh- like below

#!/bin/sh
IN=eth0
OUT=$1

netsniff-ng -i $IN -o $OUT 'not port 1194'
#daemonlogger -d -i $IN -o $OUT 'not port 1194'

for i in rx tx sg tso ufo gso gro lro; do ethtool -K $OUT $i off; done

After changing this script above. SecurityOnion Server can not get packet from Client Server above.
pleae let me know how to config netsniff-ng on client server.