000			00784nam a22001577a 4500
008			221206b xxu||||| |||| 00| 0 eng d
020			_a9781111135393
050			_aTK5105.59 _b.W5353 2012
100			_aWhitman, Michael E., _d1964- _91339
245			_aGuide to firewalls and VPNs _cMichael E. Whitman, Herbert J. Mattord, Andrew Green.
250			_a3rd ed.
260			_aBoston, MA _bCourse Technology, Cengage Learning, _cc2012.
300			_a xxii, 346 p. _bill. _c23 cm.
650			_a Computer networks--Security measures. _vComputer networks--Security measures--Problems, exercises, etc. _vComputer security--Problems, exercises, etc. _vFirewalls (Computer security) _vFirewalls (Computer security)--Problems, exercises, etc. _vExtranets (Computer networks) _93300
942			_2lcc _cBK
999			_c2996 _d2996