Re: port filtering for UDP packets?

Linux Advanced Routing and Traffic Control

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opsi... i dont want u32 filter I need libpcap(tcpdump) expression so that i can 
watch to which direction these stuff goes from/to which address... et cetera..

|This is what I did to filter outbound UDP packets with the desination
|port number 6003 thru HTB queue 1:1.
|
|tc filter add dev eth0 parent 1: protocol ip prio 1 \
|u32 match ip dport 6003 0xffff flowid 1:1
|
|However, it only worked for TCP port, not UDP. Does anyone know why this
|happens and how to solve it?
|
|Your help would be greatly appreciated.. thanks in advance!
|
|Q-ha Park
|
|
|
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