Homework #3
Autumn 03/04 TDC375 - Network Protocols
Name:

1. Install PGP or GnuPG, create a public/private key pair and upload
   your public key the MIT PGP key server.  What is your public key ID
   and fingerprint?  On a separate piece of paper, bring a print out of
   your public key, key ID and email address of the key to the October
   1 class.




2. What would you consider the top two most important parts of the
   global Internet infrastructure that need protecting?  Why?




3. Describe the differences between a network-based firewall and a
   personal (host-based) firewall.




4. According to Chapter 2 in Repelling the Wily Hacker, is it easier to
   spoof UDP or TCP packets?  Why?




5. Review the Bogon pages listed at:

     <http://www.cymru.com/Bogons/index.html>

   According to that information which of the following are Bogon IP
   addresses:

   ___  169.254.10.5
   ___  129.105.5.3
   ___  140.192.255.255
   ___  10.0.0.1
   ___  72.59.61.82