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COMPUTER NETWORK SECURITY
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This paper provides a snapshot of the computer network
security industry and addresses specific issues related to network security
in public education. The following topics are covered: (1) security policy,
including reasons for establishing a policy, risk assessment, areas to
consider, audit tools; (2) workstations, including physical security,
protecting workstation components, and computer viruses; (3) the local
network, including the OSI (Open Systems Interconnection) reference model,
protocols, network segmentation, network management, network sniffing, and
data encryption; (4) servers, including UNIX and other server operating
systems; (5) remote access, including technologies, remote access servers,
protocols, and authentication/authorization; (6) crackers and hackers,
including threats and hacking tools/techniques; (7) Internet firewalls,
including functions, issues and problems, types, rules, logs, firewall
accessories, buying a firewall, and firewall administration; and (8)
applications, including e-mail, directory services, the World Wide Web, and
single sign on. Each section highlights unique requirements of school
jurisdictions and contains a list of relevant web sites. A glossary of terms
is provided, and appendices include descriptions of Windows NT Workstation
and Server, Novell NetWare, and Apple Macintosh, as well as a security
checklist and evaluation form and a list of related Alberta Education
resources.