A Plugin That only allows whitelisted IP's, or optionally whitelisted browsers, to access wp-login, or optionally wp-admin.
Plugin Tag: whitelist
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BlackSwan | Block External Request
Block unwanted external HTTP requests in WordPress. Blacklist/whitelist management, resource blocking, and one-click pause.
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Blacklist & Whitelist Domains for Registration
The whitelist/blacklist plugin gives you a strong layer of security for your website because not only does the plugin limits unauthorized user access …
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DMN (Security Centre)
The DMN (Security Centre) plugin keeps your word fences whitelist IP addresses updated with DMN services on your WordPress site.
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Gatekeeper
Gatekeeper allows administrators to take a WordPress site offline while leaving it accessible to authorized users for maintenance, testing, etc.
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User Domain Whitelist
The User Domain Whitelist/Blacklist plugin limits user registration to only registrants with an email address from the domain white list provided by t …
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CM E-Mail Blacklist – Simple email filtering for safer registration
Block unwanted email registrations on your site with this email blacklist plugin. Protect your site by preventing spam sign-ups.

