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OPS335 Firewall Lab

468 bytes added, 09:47, 21 January 2012
Instructions
==Instructions==
===Building a Simple FirewallVerifying network connectivity to your VM===* Boot up your Fedora Host.*Login as joker in to your Fedora 13 PChost with your LearnID.*Start the 1st VM.====On your VM ====*It's not necessary Login with your LearnID to use a your VM for this lab. Just use your original Fedora system created in lab #0.*Open a terminal window and "su -" to root.* Find out the MAC address of the NIC and the IP address assigned to it. Record this information on your lab log book.*Disable your current firewall. i.e. flush by flushing all rules in all chains in all tablesand set up default policy for the INPUT, FORWARD, and OUTPUT chains to ACCEPT.Build ====On your Fedora Host ====* Open a terminal window and perform the following connectivity tests:** ping -c 2 [ip-of-vm1]** ssh [LearnID]@[ip-of-vm1] ===Building a Simple Firewall on VM1 ==='''On your VM1, on the "root" terminal, build a custom firewall by performing the following steps:'''
#Add appropriate rule(s) to allow all traffic to/from the loopback 'lo' interface.
#Add a rule to the INPUT chain of the filter table to allow all UDP traffic coming from port 53. i.e. source port is 53.
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