A.18 Chapter 17: Keeping Up to Date


  • Learn how to acquire and apply vendor patches to your operating system and applications.

  • Use an available secure system to download patches to apply to a new Unix installation.

  • Verify software with PGP signatures. Make sure you obtain the author's PGP key from a trusted source (or multiple independent sources).

  • Check the MD5 checksum of downloaded software.

  • Read mailing lists that publish general security announcements.

  • Read mailing lists devoted to your vendors ' products.

  • Consider when and how you will back out a patch that doesn't work.



Practical UNIX and Internet Security
Practical Unix & Internet Security, 3rd Edition
ISBN: 0596003234
EAN: 2147483647
Year: 2003
Pages: 265

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