01154cam a22003254a 4500 12110826 OSt 20140224111812.0 000718s2001 txua 001 0 eng 00060031 1556226721 (pbk.) DLC DLC DLC pcc TK5105.875.E87 B79 2001 650/.0285/46 21 Busby, Michael. 25533 Demystifying virtual private networks / Michael Busby. Demystifying VPN Plane, Tex. : Wordware Pub., c2001. xi, 250 p. : ill. ; 24 cm. Includes index. Extranets (Computer networks) 25534 Business enterprises Computer networks. 25535 Internet. 25536 Computer networks Security measures. 25537 Computer network protocols. 25538 7 cbc orignew 1 ocip 20 y-gencatlg lcc BK 58722 58696 0 0 lcc 0 0 GEN CPL CPL GEN 2014-02-24 donation 35.00 0 TK 5105.875.E87 B79 2001 R28609M3232 2019-09-26 00:00:00 1 2014-02-24 BK