Ipchains revisited

Road Map

Phase 1:Crawl before walk

A Simple Case

Prerequisites

Finding the DHCP address

Barebones ipchains

Starting point

Set a policy for forward chain

Now add the masquerade

Phase 2: Pull up the drawbridges

/etc/inetd.conf

Phase 3: Testing

Phase 4: On to greater things

Appendix: Script example

Script example, con't

Script example con't

Script example con't