00450nam a2200157   4500001001400000003000700014005001700021020001500038040000800053100001700061245006300078260004400141300003400185500003200219650004100251vtls000004915KUKTEM20251117142109.0  a0619131241  aUMP  aHolden, Greg00aGuide to network defense and countermeasures / Greg Holden  aBoston, MA:b Course technology,c 2003  axxi, 527 p.:b ill.;c 24 cm.  aIncludes glossary and index00aComputer networksxSecurity measures