Normally, no. IP packets have no memory of what route they took going to a destination. But, you could probably set IP header flags such as DSCP (type of service) then check them later.
On Tue, 5 Oct 2004 23:03:40 -0700 (PDT), plug bert <[EMAIL PROTECTED]> wrote: > Hi All! > > Given this setup: > > pc1,pc2 <---> router1 <--> router2 > 10.0.0.3 10.0.0.2 10.0.0.1 > > Is it possible to use iptables such that router2 will > only accept packets that were forwarded by router1, > and then drop everything else(pc1,pc2)? -- Philippine Linux Users' Group (PLUG) Mailing List [EMAIL PROTECTED] (#PLUG @ irc.free.net.ph) Official Website: http://plug.linux.org.ph Searchable Archives: http://marc.free.net.ph . To leave, go to http://lists.q-linux.com/mailman/listinfo/plug . Are you a Linux newbie? To join the newbie list, go to http://lists.q-linux.com/mailman/listinfo/ph-linux-newbie
