openssh unix dev - Apr 2002 - [Bug 180] [PATCH] sshd sets no ToS bit on connections with IPv4-mapped IPv6 addresses

http://bugzilla.mindrot.org/show_bug.cgi?id=180

djm at mindrot.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED



------- Additional Comments From djm at mindrot.org  2002-04-26 16:55 -------
Committed something similar, please test CVS -current. In future, please attach
patches (Using the "Create a new attachment" link) rather than pasting
them inline.



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------- Additional Comments From markus at openbsd.org  2002-04-26 17:50 -------
This is what itojun wrote:

        On many systems, IP_TOS setsockopt on AF_INET6 socket does not work.
        This is because there is no standard behavior defined for
        setsockopt(IP_TOS) over AF_INET6 socket.

        Therefore, you will want to take either of the following routes:
        - apply the submitted patch itself, and ignore error returns
          at setsockopt(IP_TOS)
        - do not apply the patch, and convert IPv4-mapped address into
          normal IPv4 address before opening socket (hence we will use
          it as normal IPv4 address on AF_INET socket).




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------- Additional Comments From djm at mindrot.org  2002-04-26 21:14 -------
hmmm, does this apply to Linux's "original" implementation of IPv6
(where this
hack is occasionally needed) too?



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------- Additional Comments From djm at mindrot.org  2002-04-26 21:16 -------
FYI This hack is only switched on by default for Linux



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