Author: Jakob Hirsch Date: To: exim-users Subject: Re: [exim] How to force exim to load file with whitelist IPs into
memory
Phil Pennock, 2011-11-03 04:31:
> I would be very interested in knowing of such a thing. One of the items
> already on my "work on Exim at some point" list of features is:
>
> Item:
> disk stable format write-infrequent read-often (a la CDB) binary trie storage
> designed to be useful for IP lookups against tables (PF style) to avoid walking lists.
I did not look much for it, but a quick search turned up some C libs for
that.
I guess this is something nice to have, but I would not expect much from
it. We usually don't have to look up thousands or millions of IP
addresses like a router or firewall has to.