[Bug 1016639] [NEW] LT2P VPN connection issue

[in8sworld]

Public bug reported:

A problem with ipsec-tools 0.8.0 was identified when several android clients (now using this version in 4.0 or "ice cream sandwich") suddenly could no longer connect with L2TP VPN.  The problem is described here:
http://code.google.com/p/android/issues/detail?id=23124

Recently, Paul Wouters at Redhat provided a patch to fix their Openswan
server to communicate with clients using the "broken" ipsec-tools.

http://code.google.com/p/android/issues/attachmentText?id=23124&aid=231240180000&name
=openswan-android-ics-natoa.patch&token=EzFmhoZ4cMK-
YQ9Z18bf3pmhVFc%3A1340377622735

Workaround for Android Ice Cream Sandwich ipsec-tools 0.8.0 bug
    ipsec-tools 0.8.0 mistakenly sets some NAT-OA fields that are defined
    in RFC1374 as "always zero". We define these as "ft_mbz" (Must Be Zero)
    This workaround changes the type to "ft_nat" (Natural number) and
    then ignores it.
    What we really need is the "ft_mbz" case to log and zeroise

If confirmed as a problem, perhaps the above can point folks in the
right direction to help fix it.

** Affects: ipsec-tools (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1016639

Title:
  LT2P VPN connection issue

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