On Mon, Aug 06, 2012 at 10:38:03PM -0700, Gomathivinayagam Muthuvinayagam wrote: > Conntrack classifies a packet to a flow based on protocol no, srcip, > destip, srcport, and destport. > > A sample output is shown below, > > [NEW] udp 17 30 src=192.168.2.100 dst=192.168.2.1 sport=57767 > dport=53 [UNREPLIED] src=192.168.2.1 dst=192.168.2.100 sport=53 > dport=57767 > > Here, what's the need of reply srcip, reply destip, reply srcport, > reply destport? (Since we can imply these information from original > srcp ip, original destip, original srcport, original destport) > Is it just for avoiding for confusion, or anyother reasons behind this? We need the reply tuple for NAT scenarios. In those cases, original tuples does not match the reply tuple. -- To unsubscribe from this list: send the line "unsubscribe netfilter" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html