O’Reilly: A Sysadmin’s Security Basics

“System administrators are no longer alone in their
concern for security. The increase in high-profile virus attacks,
and a general sense of heightened security, means that executives
are likely to have security on their mind. It may be easier than
ever to enlist their support for securing our networks and systems,
and they may be more likely to put up with some inconvenience for
users if it means tighter security.

This article gives an overview of the basics necessary to secure
your network, including:

• Passwords
• Email attachments and client settings
• Firewalls and demilitarized zones
• Securing insecure protocols
• Wireless
• Staying informed

Consider this a checklist to reenergize your efforts or to get
you started.”

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