Re: [Exim] RBL feature request

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Author: Philip Hazel
Date:  
To: Matt Bernstein
CC: exim-users
Subject: Re: [Exim] RBL feature request
On Tue, 31 Jul 2001, Matt Bernstein wrote:

> OK I got scared looking at the (IIRC) host_check_rbl function. I'll look a
> little harder tomorrow :)


Oh, I see what you mean. That's just speculative code - I was trying to
second-guess what the RBL people might do with IPv6 addresses. In the
couple of years since I wrote it, as far as I know, they have done
nothing about IPv6, and still only handle IPv4 addresses. So you can
ignore it.

[What I'm referring to is this: an incoming IPv4 call from a.b.c.d looks
up the domain d.c.b.a.rbl-domain; what do you do for an IPv6 call from
the host a:b:c:d:e:f:g:h? I guessed that you might reverse every hex
digit.]

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