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[Launchpad Bug Tracker <1787245@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package sshuttle - 0.78.3-1ubuntu1

---------------
sshuttle (0.78.3-1ubuntu1) bionic; urgency=medium

  * Make hostwatch find both fqdn and hostname (LP: #1787245)
    - d/p/make-hostwatch-find-fqdn-and-hostname.patch: cherry-pick
      patch from upstream to add both the FQDN and the hostname
      so they are both resolvable.

 -- Billy Olsen <billy.olsen@xxxxxxxxxxxxx>  Wed, 29 Aug 2018 15:00:55
-0700

** Changed in: sshuttle (Ubuntu Bionic)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1787245

Title:
  Auto-hosts do not include fqdn

Status in sshuttle package in Ubuntu:
  Fix Released
Status in sshuttle source package in Xenial:
  Fix Committed
Status in sshuttle source package in Bionic:
  Fix Released

Bug description:
  The --H, --auto-hosts option does not currently include fqdn and in
  fact removes the fqdn entries. This is blocking the use of sshuttle
  for things like accessing a Graylog server which links back to itself
  via fqdn.

  This has been fixed with pull request #173 [0] in Oct of 2017 adds
  this functionality and works for the Graylog forwarding which I've
  been trying to use it for.

  [0]: https://github.com/sshuttle/sshuttle/pull/173

  [Impact]

  Some services which may be remotely accessed over an sshuttle vpn
  tunnel may require full fqdn access to remote machines. Depending on
  the remote application, it may fail to function properly if the
  initiator system cannot resolve hosts by fqdn's. Graylog mentioned
  above, is one such example of this.

  This patch works by changing the host watch functionality to match
  more than just hostnames found at the remote site. If fqdns are also
  found, then this patch will ensure they get included in the initator's
  local /etc/host file.

  [Test Case]

  1. Initiate an sshuttle connection at a remote endpoint w/ the -H or
  --auto-hosts parameter.

  $ sshuttle 10.5.0.0/16 -r 10.230.65.47 --daemon -H

  2. Observe the initiator's /etc/hosts file
   - Without the patch, observe only hostnames are populated
   - With the patch, hostnames and fqdns are populated

  [Regression Potential]

  This area of code is limited to only affecting those users using the
  --auto-hosts parameter. That being said, the change is to expand the
  regular expressions which identify remote hostnames to include/allow
  fqdns. It may be possible that this introduces a naming collision with
  the initiator's DNS resolution where they relied on foo and
  foo.some.domain resolve to uniquely different hosts. This may be an
  unwanted side-effect, but upstream seems not to be concerned with
  this.

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