This article will show the Firewall options BackupGuard Security plugin provides us with. Go to the Firewall section to see all of them.
Don't forget to click Save when you make a change.



Block proxy HTTP headers - Scan HTTP headers to block attacks via proxy servers.

Block proxy ports - You can block a proxy's “port” which is a number that refers to a specific virtual location on a computer.

Block brute force - Brute-force attack involves an attacker sending multiple passwords or passphrases in the hope of ultimately guessing the combination correctly. By enabling this option, you can easily lock out any attempts to brute-force guess your WordPress passwords or usernames.

Block image hotlinking - Image hotlinking is when someone embeds your images on their website by linking them directly from your website. By blocking the image hotlinking you can reduce bandwidth usage and requests to your server.

Block bad query strings - You can secure your website from bad query strings. A query string is a part of a uniform resource locator (URL) that assigns values to specified parameters.

Block referrer spam - Block referrer spam (also known as referral spam, log spam or referrer bombing) which is a kind of spamdexing (spamming aimed at search engines).

Block bad request methods - Block any HTTP request methods that are malicious or not supported.

Block bad request strings - Block any bad request strings to secure your website.

Block bad remote hosts - Block any remote hosts that are in our blacklist. These are well-known malicious machines.

Block bad bots - You can block bad bots which are programmed to perform a variety of malicious jobs.

Block specific IPs - You can secure your website by blocking unwanted users from accessing your website by IP address. Each IP address can be added manually.
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