Real World Linux Security Prentice Hall Ptr Open Source Technology Series

   

This chapter covers ways to harden your system further to reduce the likelihood of a successful break-in. The topics covered include:

  • "Protecting User Sessions with SSH" on page 409

  • "Virtual Private Networks (VPNs)" on page 422

  • "Pretty Good Privacy (PGP)" on page 430

  • "Using GPG to Encrypt Files the Easy Way" on page 431

  • "Firewalls with IP Tables and DMZ" on page 446

  • "Firewalls with IP Chains and DMZ" on page 514

       
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