Rob Scott

The XMLRPC Pingback Ping can potentially be used as part of a DDOS attack. 
If you do not need the functionality, this plugin will use core functions to disable it.

Eazy XMLRPC Pingback Disable

This plugin disables the WordPress XMLRPC pingback ping.

Pantelis Kaplanoglou

Protect Your Website with Our Anti DDOS / BOT Protection
Details : 
Enable this Plugin Only if you are under DDOS/BOT Attacks 
We not resolve the DDOS Problem, but we try to limit bad traffic 
With our plugin, you’ll be able to secure your website against potential DDOS and BOT attacks. 
Visitors will be required to complete a one-time reCAPTCHA verification 
That helps to minimize the amount of data transferred between your website and the attacker. 
Once the reCAPTCHA check has been passed, visitors will be granted full access to your website content.
Advance : 
If you can’t access on wordpress control panel but you still have access with SSH or FTP 
You can enable / disable this protection adding in wp-config.php this option 
define( ‘ANTI_DDOS_ENABLED’, true ); 
Above of the line “require_once ABSPATH . ‘wp-settings.php’;” 
Protection ignore the checkbox inside the plugin config page
Protect only specified URLs : 
If attackers concentrate their efforts on specified URLs, you can secure only those URLs 
You can use either the entire URL or a portion of it, 
Using the word “product” then protection enabled for all URLs containing this word. 
To protect the entire website, leave the URLs field empty.

Anti DDOS/BOT reCAPTCHA Protection

Protect Your Website with Our Anti DDOS / BOT Protection

Eazy XMLRPC Pingback Disable vs Anti DDOS/BOT reCAPTCHA Protection