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[Bug 1843863] [NEW] Postfix installed listens on all interfaces by default

 

Public bug reported:

When installing a fresh Nagios unit, Postfix is pulled in as a
dependency.  A security audit has pulled up that although the config
doesn't allow open relay, there is an SSL vulnerability of note that
needs fixing (https://discussions.qualys.com/docs/DOC-1097).  Although
that's an issue for a different package, we have no need for Postfix to
even listen on all interfaces and it should be reconfigured to only
listen on localhost.

** Affects: nagios-charm
     Importance: Undecided
         Status: New


** Tags: canonical-bootstack

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https://bugs.launchpad.net/bugs/1843863

Title:
  Postfix installed listens on all interfaces by default

Status in Nagios Charm:
  New

Bug description:
  When installing a fresh Nagios unit, Postfix is pulled in as a
  dependency.  A security audit has pulled up that although the config
  doesn't allow open relay, there is an SSL vulnerability of note that
  needs fixing (https://discussions.qualys.com/docs/DOC-1097).  Although
  that's an issue for a different package, we have no need for Postfix
  to even listen on all interfaces and it should be reconfigured to only
  listen on localhost.

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