It is easy for a library systems administrator to sometimes feel quite overwhelmed by the responsibilities of the job. Keeping a network running smoothly is a challenge in itself, but they must also be concerned with protecting the network from the many threats that exist. Constant vigilance is necessary to guard against electronic attacks…

Discusses the use of firewalls for library intranets, highlighting the move from mainframes to PCs, security issues and firewall architecture, and operating systems. Provides a glossary of basic networking terms and a bibliography of suggested reading. (PEN)