Subject: Re: no v4?
To: der Mouse <mouse@Rodents.Montreal.QC.CA>
From: Michael Richardson <>
List: tech-net
Date: 07/16/2002 14:39:11

>>>>> "der" == der Mouse <mouse@Rodents.Montreal.QC.CA> writes:
    >>> The big one, though, is X.  There appears to be no FamilyInternet6
    >>> for X.  [...]
    >> there are efforts to make X-over-IPv6 possible, [...]
    >> the issue is that X is not using sockaddrs right (they use "int" to
    >> hold IPv4 addresses, IIRC) so it needs a serious cleanup before we
    >> actually make it IPv6-capable.

    der> Is it really that bad?  I'd think that with Chaosnet and especially
    der> DECnet under its belt, IPv6 wouldn't be that big a deal.  (But then,
    der> I've not looked at the code yet, either - perhaps DECnet and Chaosnet
    der> aren't really supported, just sitting around in <X11/X.h>.)

    >> for the time being, you can use ssh X11 forwarding....

    der> Well, sort of.  It doesn't work very well when the target machine has
    der> no v4 address associated with its name:

    der> [Red] 398> laptop xdpyinfo
    der> xdpyinfo:  unable to open display "Laptop.Rodents.Montreal.QC.CA:1.0".
    der> [Red] 399> 

  Back at ssh 1.2.4 or something, the preference for using the Unix domain
sockets for the remote end X $DISPLAY went away due to "porting issues".

  I hacked it back a couple of times, but never managed to convinced Tero
Kivinen to keep the support there. That is the real solution.

]       ON HUMILITY: to err is human. To moo, bovine.           |  firewalls  [
]   Michael Richardson, Sandelman Software Works, Ottawa, ON    |net architect[
] |device driver[
] panic("Just another NetBSD/notebook using, kernel hacking, security guy");  [

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Comment: Finger me for keys