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List: netbsd-tech-net
Subject: Re: IPv6 temporary address and SSH
From: Gert Doering <gert () greenie ! muc ! de>
Date: 2023-11-28 11:07:29
Message-ID: ZWXJ8XOieMnPvcmH () greenie ! muc ! de
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Hi,
On Tue, Nov 28, 2023 at 10:55:08AM -0000, Michael van Elst wrote:
> gert@greenie.muc.de (Gert Doering) writes:
>
> >Now this sounds highly interesting. Is this a NetBSD specific thing, or
> >"generic POSIX sockets" or so? I see FreeBSD has all the #defines in in6.h,
> >while MacOS has the IPV6_PREFER_TEMPADDR but not the IP6PO_ defines..
>
> https://opensource.apple.com/source/xnu/xnu-1699.24.8/bsd/netinet6/ip6_var.h
>
> shows
>
> #define IP6PO_TEMPADDR_SYSTEM -1 /* follow the system default */
> #define IP6PO_TEMPADDR_NOTPREFER 0 /* not prefer temporary address */
> #define IP6PO_TEMPADDR_PREFER 1 /* prefer temporary address */
I just looked locally on the Mac in front of me, and there's a twisty
maze of "usr/include" paths in the XCode tree, so maybe I got the wrong
one... but it seems I do have netinet6/in6.h (many variants) but no
ip6_var.h
A test program trying to print IP6PO_TEMPADDR_SYSTEM will also just
report include / identifier not found...
gert
--
"If was one thing all people took for granted, was conviction that if you
feed honest figures into a computer, honest figures come out. Never doubted
it myself till I met a computer with a sense of humor."
Robert A. Heinlein, The Moon is a Harsh Mistress
Gert Doering - Munich, Germany gert@greenie.muc.de
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