hi... o great guru out there... i am doing website on A machine (linux), this website will link to a webpage on B machine.. The problem is (what else..).. - i just want to let the user to browse to webpage on B machine only and only by accessing website on A machine first and following the link to B. No user can browse B machine simply by going to B, must go to A. -i was trying with ipchains...B (a.b.c.d) & A(e.f.g.h) ipchains -A input -p tcp -d a.b.c.d/255.255.255.255 80 -l -j DENY ipchains -A input -p tcp -s e.f.g.h/255.255.255.255 -d a.b.c.d/255.255.255.255 80 -l -j ACCEPT seems not working... TQ infant......cy. ------------------------------------------------------------------------ To unsubscribe email security-discuss-request@linuxsecurity.com with "unsubscribe" in the subject of the message.