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Redirect all except one /24 to another URL

I'm having a devil of a time getting Apache's Rewrite* stuff to do what I need.

Basically, I have a range of IP space that I need to redirect to a specific URL /except/ one IP within that range. Everyone else in the world also gets the normal/default URL.

So, in pseudocode:

If matches all of 1.2.0.0 BUT NOT 1.2.3.4
Redirect to http://this.site
else
continue
Fi

Specifically I am also redirecting any queries to ^/ to a specific page (ie: index.php) but I need the above conditional to apply.

I've tried many examples from out there and it's understandably confusing. It appears you can't really negate this in a RewriteCond loop, either -- I tried it.

Anyone know how to accomplish this correctly in apache 2.2?

Thanks.

By default multiple RewriteCond's are treated using a logical AND, so...

Code:

RewriteCond %{REMOTE_ADDR} ^1\.2\.

RewriteCond %{REMOTE_ADDR} !^1\.2\.3\.4$

RewriteRule...

Does exactly what you want. It says If the IP starts with 1.2. and does not equal 1.2.3.4, then apply the rule