The following WordPress article will give you some options:

http://codex.wordpress.org/Combating_Comment_Spam/Denying_Access

Kas see vastus oli kasulik? 0 Kasutajad peavad seda kasulikuks (0 Hääled)

Populaarsemad artiklid

Bots hitting xmlrpc.php and causing a high load

An earlier version of WordPress contained a security vulnerability that allowed posting from the...
Caching plugin for WordPress?

Since we use LiteSpeed Web Server, we recommend using the LiteSpeed Cache plugin....
Can I use the WordPress command line interface or WP-CLI?

YES! Our servers include the WordPress command line interface, also known as WP-CLI. You can...
Changed theme and now cannot access WordPress site or wp-admin

If your theme has an issue and WordPress only shows a blank (white) page and you need to change...
High resource usage from /wp-admin/admin-ajax.php

The WordPress Heartbeat API could most likely be responsible for high-end resource usage in...