the new security standard for the internet, intranets, and virtual private net works Doraswamy, Naganand creator aut. Harkins, Dan dir. text Book enk New York Prentice-Hall PTR 1999 monographic ang cop.1999 ill. ill. en coul. 24 cm. specialized Nagasang Doraswamy, Dan Harkins Index Internet IPSEC Intranet 004.738.5 0130118982 9780130118981 005/2025/4 Don BI-BuBU 260519 ang