Re: [Exim] IP parser doesn't recognise link-local addresses

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Autor: Philip Hazel
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A: Lionel Elie Mamane
CC: exim-users
Assumpte: Re: [Exim] IP parser doesn't recognise link-local addresses
On Fri, 31 Jan 2003, Lionel Elie Mamane wrote:

> IPv6 addresses have a notion of "scope", or "size of area where the
> address has a meaning".


Yes, that I knew about.

> For addresses with link or site scope, there is no guarantee that the
> same machine won't have the same address on several of its
> interfaces. It is thus necessary to say which one is intended. At the
> sockaddr_in6 level, this is given by an integer index in the
> sin6_scope_id.


Aha! That's new to me.

> Some references I've found by googling around:


Thanks. I've added this to my list of things to think about.

Philip

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Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.