[tcpdump-workers] the order among tcpdump, iptables, ebtales to process packets

2014-02-26 Thread fsluck
hi,all
  according to my test, the order to process packets is  ebtables, 
tcpdump,iptables?
i want to know why  if i am right?  how tcpdump  capture packets  and   at 
which level?
 
 
thanks
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[tcpdump-workers] how to tell tcpdump only to capture packets that go throught iptables

2014-03-18 Thread fsluck
how to tell tcpdump only to capture packets that go throught iptables
 
i want to calculate how many icmp packets are received  after i setup several 
iptables rules for icmp.
 
thanks
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