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200 10$aGuide to IPsec VPNs$b[electronic resource] $erecommendations of the National Institute of Standards and Technology /$fSheila Frankel ... [and others]
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225 1 $aNIST special publication ;$v800-77.$aComputer security
300   $aTitle from title screen (viewed on July 20, 2006).
300   $a"December 2005."
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