Hi, I have a linux redhat9.0 - I want to create an gateway between our sections and central site. It have 4 ethernet cards. 2 cards for internal LANs with 2 invalid sunbet 192.168.101.x and 192.168.102.x range. 3th card for intranet use such connect to our web-server or email-server, 4th card for internet connection and when they want go to internet.i want also close all extra ports and close udp + icmp protocols. How i could do this with IPTABLES Rules? Anybody have such this schema? Any help would be appriciated thanks a lot, mojgan --
