В Срд, 31/01/2007 в 12:38 +0100, Pascal Hambourg пишет: > Hello > > Pokotilenko Kostik a écrit : > >> > >> -t nat -A POSTROUTING -m conntrack --ctstate DNAT --ctorigdst x.x.x.x > > > > Just to make sure. This rule will match the packets with canntrack state > > "DNAT" and whose original (before DNAT) destination address was x.x.x.x, > > right? > > This is my understanding. However I would recommend not to put such a > rule in the nat table because chains in the nat table do not see reply > packets. > > > If I add -j ULOG to this rule what would be logged packet source address > > for replay packet (Server->Client)? Original, that client was initially > > connected to, or real, that was set during DNAT? > > The rule would log the current packet source address as usual, so it > won't show the original destination address unless you had put it in the > --log-prefix option. > > > By the way does -m conntrack --ctstate DNAT --ctorigdst x.x.x.x match > > request or replay packets or packets belonging to connection which was > > originally made to x.x.x.x? > > From my understanding, the latter. "Original" and "reply" usually refer > to connection tracking, not individual packets. However I am not sure > whether it would match the first packet creating the connection, can > anyone confirm ? Can someone confirm this? If there is a way to do what I want then there is no need for new table in iptables. -- Покотиленко Костик <casper@xxxxxxxxxxxx>
