Forum Moderators: phranque
... but most Webmasters are on shared virtual hosting, and have no access to IPtables, firewalls, or anything beyond the limited .htaccess controls -- Which is why we do a big business here in .htaccess issues, and relatively little in server config discussion.
As stated above, the documentation for the Allow directive in mod_access enumerates the various methods for specifying IP address ranges.
Jim