OSI
Model
The OSI model is fundamental to the understanding of computer networks and
is frequently referred to in literature on this topic. An
understanding of the OSI model is useful in appreciating the role of
networking infrastructure, services and protocols.
Web
Security Issues
The Anti-Online web site contains up to date information on network
security and related matters including preventing Spam (unwanted e-mail).
Web Trends
Find out the latest web trends at the Web Trends web site. A useful
feature of this site is the online network security testing facility that
will probe your network for security weaknesses and send you an e-mail of
the results.