.
Proxy Server

   http://allsands.com/Science/whatisaproxy_akx_gn.htm

   http://www.openrelaycheck.com/orc/articles/proxyfaq.asp

   http://www.nyu.edu/its/faq/connecting/about_proxy.html

   http://www.nycsoftware.com/easyproxy/KnowledgeArticleFocus.asp?ID=19

   http://www.lib.utulsa.edu/eresources/databases/webaccess/wam.htm

Firewall

   http://www.pathfinderworks.org/posting_area/LOCAL/pathfinderneed.htm

   http://searchsecurity.techtarget.com/sDefinition/0,,sid14_gci212125,00.html

   http://www.firewall-software.com/firewall_faqs/what_is_a_firewall.html

Report

   report.doc