[Bug 219918] LibAlias: implement RFC 4787 REQ 1 and 3 (full cone NAT)

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Newsgroups gmane.os.freebsd.devel.net
Message-ID <[email protected]/bugzilla/>
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=219918

--- Comment #13 from Damjan Jovanovic <[email protected]> ---
Here is a better version of that table:

  EIM | DENY_INCOMING | NAT type, by RFC                               |
Comment
------+---------------+------------------------------------------------+-----------
unset |        unset  | RFC 4787: address and port-dependent mapping   | These
are
      |               |           address and port-dependent filtering | the
only
      |               | RFC 3489: "symmetric" NAT                      | ways
that
------+---------------+------------------------------------------------|
libalias
unset |          set  | RFC 4787: address and port-dependent mapping   | works
      |               |           address and port-dependent filtering | at
      |               | RFC 3489: "symmetric" NAT                      |
present.
------+---------------+------------------------------------------------+-----------
  set |        unset  | RFC 4787: endpoint-independent mapping         | My
patch
      |               |           endpoint-independent filtering       | adds
      |               | RFC 3489: "full cone" NAT                      | these
------+---------------+------------------------------------------------| bottom
  set |          set  | RFC 4787: endpoint-independent mapping         | 2 rows
      |               |           address and port-dependent filtering | as
      |               | RFC 3489: "port restricted cone" NAT           |
options.

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