"AccessByIP" is a package for Joomla! 2.5.x and 3.x that consists of an authentication plugin (accessbyip) and an associated login module (mod_accessbyip). The plugin authenticates on the basis of the web browser IP address. The module provides an interface to provide simplified log-ins, in conjunction with the plugin. Released under GNU/GPLv3 licence. A full description and documentation for this package are to be found here.
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