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[Avol94] Frederick Avolio and Marcus Ranum. A Network Perimeter With Secure Internet Access. In Internet Society Symposium on Network and Distributed System Security, pages 109-119. Internet Society, February 2-4 1994.
[Bel89] Steven M. Bellovin. Security Problems in the TCP/IP Protocol Suite. Computer Communications Review, 9(2):32-48, April 1989.
[Cerf93] Vinton Cerf. A National Information Infrastructure. Connexions, June 1993.
[CERT94] Computer Emergency Response Team/Coordination Center. CA-94:01, Ongoing Network Monitoring Attacks. Available from FIRST.ORG, pub/alerts/cert9401.txt, February 1994.
[Chap92] D. Brent Chapman. Network (In)Security Through IP Packet Filtering. In USENIX Security Symposium III Proceedings, pages 63-76. USENIX Association, September 14-16 1992.
[Ches94] William R. Cheswick and Steven M. Bellovin. Firewalls and Internet Security. Addison-Wesley, Reading, MA, 1994.
[CIAC94a] Computer Incident Advisory Capability. Number e-07, unix sendmail vulnerabilities update. Available from FIRST.ORG, file pub/alerts/e-07.txt, January 1994.
[CIAC94b] Computer Incident Advisory Capability. Number e-09, network monitoring attacks. Available from FIRST.ORG, pub/alerts/e-09.txt, February 1994.
[CIAC94c] Computer Incident Advisory Capability. Number e-14, wuarchive ftpd trojan horse. Available from FIRST.ORG, pub/alerts/e-14.txt, February 1994.
[Com91a] Douglas E. Comer. Internetworking with TCP/IP: Principles, Protocols, and Architecture. Prentice-Hall, Englewood Cliffs, NJ, 1991.
[Com91b] Douglas E. Comer and David L. Stevens. Internetworking with TCP/IP:Design, Implementation, and Internals. Prentice-Hall, Englewood Cliffs, NJ, 1991.
[Cur92] David Curry. UNIX System Security: A Guide for Users and System Administrators. Addison-Wesley, Reading, MA, 1992.
[Farm93] Dan Farmer and Wietse Venema. Improving the security ofyour site by breaking into it. Available from FTP.WIN.TUE.NL, file /pub/security/admin-guide-to-cracking.101.Z, 1993.
[Ford94] Warwick Ford. Computer Communications Security. Prentice-Hall, Englewood Cliffs, NJ, 1994.
[Garf92] Simpson Garfinkel and Gene Spafford. Practical UNIX Security. O'Reilly and Associates, Inc., Sebastopol, CA, 1992.
[Haf91] Katie Hafner and John Markoff. Cyberpunk: Outlaws and Hackers on the Computer Frontier. Simon and Schuster, New York, 1991.
[Hunt92] Craig Hunt. TCP/IP Network Administration. O'Reilly and Associates, Inc., Sebastopol, CA, 1992.
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