SPAM defender for WordPress - no spam comments, no spam registrations, no spam contact emails, no spam trackbacks.
The plugin Limit Attempts allows you to limit rate of login attempts by the ip, and create whitelist and blacklist.
An easy to use powerful wordpress Captcha Plugin to prevent spam on your site.
Complete and Simple WordPress Security. Unrestricted, Easy, No Premium Features.
Block visitors from countries you don't want on your website. Based on which country an ip address is from.
Remotely add known terms into the WordPress blacklist keys to manage spam
Todd Lahman's comment spam blocking plugin that blocks automated spam with zero false positives.
Restricts registration to email addresses listed within the options file. Assumes WP native registration is turned off.
This plugin will make your blog more secure by adding rules which spambots will not pass.
The AVH First Defense Against Spam plugin gives you the ability to block spammers before any content is served.
WP-BlackCheck is an Anti-Spam Solution for WordPress blocking spam using local detection and a centralized Blacklist Service.
WangGuard Blacklisted Words is an Add-on for WangGuard plugin. You can blacklist words.
Add-on plugin for gravity forms allowing you to specify email domains that will throw a validation error blocking them from submitting the form.
Improves the security of the login page against brute-force attacks. Records every attempts to login. Easily block an IP address.
Block Bad Queries (BBQ) helps protect WordPress against malicious URL requests.
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