1
edit
Changes
→Part A
In this lab you will learn how to use iptables to build a simple Linux firewall.
===Building a Simple Firewall===
*Login as joker to your Fedora 13 PC. NOTE: It's not necessary to use a VM for this lab. Just use your original Fedora system created in lab #0.*Open a terminal window and "su -" to root.*Disable your current firewall. **i.e. flush all rules in all chains in all tables.*Now build a custom firewall by performing the following steps:
Add appropriate rule(s) to allow all traffic to/from the loopback 'lo' interface.