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From "Joshua Slive" <>
Subject Re: [users@httpd] how can i filter fromout a list
Date Tue, 03 Apr 2007 15:00:24 GMT
On 4/3/07, herauthon <> wrote:
> Dear Enlisted Ones.
> I would be pleased if i could exclude
> visitors because they have no return dns.
> my very smart idea was to list allthose
> without and make this a rule set for
> exclusion - but i am sure there is
> yet smarter way..
> enlighten me please..
> show me the way

This is a silly (if I weren't so polite, I'd say "stupid") idea. It
will slow your server and won't increase security in any noticeable
way. But if you insist,

HostNameLookups On
SetEnvIf Remote_Host ^[0-9.]+$ noname
<Location />
Order deny,allow
Deny from env=noname


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