Re: IPv6 temporary address and SSH

[Gert Doering <gert%greenie.muc.de@localhost>]

Hi,

On Tue, Nov 28, 2023 at 10:55:08AM -0000, Michael van Elst wrote:
> gert%greenie.muc.de@localhost (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@localhost