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Security Policy - II
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do not use world writeable files
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limit unsuccessful logon attempts
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use digital signatures
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install security tools: Tripwire, COPS, TCP wrapper packages
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define the level of acceptable risk
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design the rescue procedure after your system is compromised
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look for tools installed by the intruder (packet sniffers)
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look for trojan horses (modified programs, like login)
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read security news comp.security.announce, comp.security.unix, alt.security, and apply security recommendations (CERT)
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monitor Web and e-mail servers - the most commonly exploited weaknesses
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