Hello all, i have a simple question about ipchains and accounting traffic. I have 3 pcs at home, one is working as router to the internet and has set up ipchains as firewall. Now i want to see, how much traffic pc A (192.168.1.2) makes. All the pcs are connected via an old 10 Mbit ethernet card through a BNC cable. I tried to set up rules like: ipchains -A input -s 0.0.0.0/0.0.0.0 80:80 -d 192.168.1.2/255.255.255.255 -p tcp -i ippp0 -j ACCEPT or ipchains -A input -s 0.0.0.0/0.0.0.0 80:80 -d 192.168.1.2/255.255.255.255 -p tcp -i eth0 -j ACCEPT As far as i understand, ipchains then should recognize the WWW-traffic of pc A incoming from the internet. Also, i've made the same rule for the output chain. The strange now is, that ipchains don't seem to find matching packets. Although pc A is looking some webpages, ipchains don't increment the counters i can look at with ipchains -L -v. Has anyone a suggestion about what i'm doing wrong here? Could this problem has something to do with the masquerading set up on the router (perhaps ipchains doesn't know, that an incoming packet is for pc A because the destination is the router and just after demasquerading the real destination address is known?)? Thanks for any help!
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