What is the significance of UsePrivilegeSeparation directive in /etc/ssh/sshd_config file and how to test it ?

Solution Unverified - Updated -

Issue

  • What is the practical use case for UsePrivilegeSeparation? How to test it ?
  • Is there any known impact of setting UsePrivilegeSeparation yes or one should avoid setting "UsePrivilegeSeparation" to "yes" ?
  • Is this directive compatible with pluggable authentication modules?

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • sshd

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