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Patching the system (cont.)

  • Install security programs which will help you in later steps, such as SecureShell, pgp, gnupg.
  • A few basic changes to the system:
  • Make sure /tmp has the sticky bit set:
  • chmod 1777 /tmp
  • This sets a flag so files in the dir can only be deleted by owner.
  • Make sure shadow passwords and md5 encryption are enabled. (This should be selected in RH6.x install options.)
  • Change the mode of swap devices to 0600.