Maybe my question was too complex, I would try to make it simple... Is it possible to catch un-DNAT'ed packet with -j ULOG target? В Птн, 15/12/2006 в 19:44 +0200, Покотиленко Костик пишет: > Hi. > > I have a Server's network with some servers in it, all with > 192.168.1.0/25 ips. There is also a router in that network with ip > 192.168.1.1. This router also connected to a client's network > 10.10.0.0/16 with ip 10.10.100.1. > > All services on each server are given their virtual address from one of > two virtual networks 192.168.1.128/28 and 192.168.1.144/28. > 192.168.1.128/28 is for freely available services, and 192.168.1.144/28 > is for services available only to authenticated ips. > > There is a DNAT working on the router to map virtual ip/port to > realip/realport. That all works fine. > > For axample: > users connecting to 192.168.1.129:80 are brought to 192.168.1.2:80 > users connecting to 192.168.1.145:80 are brought to 192.168.1.2:81 > > I have to put all traffic I need for accounting to "-j ULOG > --ulog-nlgroup 10". And, packets should have ips seen to users. For > axample: > > 10.10.102.50 -> 192.168.1.145:80 > 192.168.1.145:80 -> 10.10.102.50 > and > 10.10.102.50 -> 192.168.1.129:80 > 192.168.1.129:80 -> 10.10.102.50 > > BUT, instead I have: > > 10.10.102.50 -> 192.168.1.145:80 > 192.168.1.2:81 -> 10.10.102.50 > and > 10.10.102.50 -> 192.168.1.129:80 > 192.168.1.2:80 -> 10.10.102.50 > > So, I can ulog the packet's in "state seen by users" only in > client->server direction, and I was unable to do that in server-clients > direction! > > Here are iptables rules (I don't want to ulog packets to/from the router > itself): > > iptables -t mangle -A PREROUTING -i br0 -j IPCAD_out > iptables -t mangle -A POSTROUTING -o br0 -j IPCAD_in > > iptables -t mangle -A IPCAD_out -d 10.10.100.1 -j RETURN > iptables -t mangle -A IPCAD_out -d 192.168.1.1 -j RETURN > iptables -t mangle -A IPCAD_out -j ULOG --ulog-nlgroup 10 > > iptables -t mangle -A IPCAD_in -s 10.10.100.1 -j RETURN > iptables -t mangle -A IPCAD_in -s 192.168.1.1 -j RETURN > iptables -t mangle -A IPCAD_in -j ULOG --ulog-nlgroup 10 > > Is it possible to catch un-DNAT'ed packet??? > -- Покотиленко Костик <casper@xxxxxxxxxxxx> _______________________________________________ LARTC mailing list LARTC@xxxxxxxxxxxxxxx http://mailman.ds9a.nl/cgi-bin/mailman/listinfo/lartc
