Allow or disallow visitors from certain countries accessing (parts of) your website
Ban users by IP, IP Range, host name, user agent and referrer url from visiting your WordPress's blog.
Monitor traffic and ban unwanted visitors. Block any user or IP address so they can't access your site.
This plugins avoids spam actions on your website (comments and contact form if you use Contact Form 7).
Returns 'Page Not Found' 404 error message for IP's visiting your blog specified in the IP Ban option on the Discussion Options page.
Block IP addresses which are suspicious and try to post on your blog spam comments.
By far the simplest country allowlist plugin available. Locks admin panel and XMLRPC access to a given list of allowed countries.