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 How to block access to the site by unwanted visitors.

1. Blocking bots on UserAgent. Add to the .htaccess line file: SetEnvIfNoCase User-Agent ^...

 How to protect yourself from Brute Force Attack against ftp and ssh (bruteforce attacks).

Rare are servers today, which are not subject to constant attempts of bruteforce attacks.It's...

 How to restrict access to server management to everyone except me?

*Advanced Linux Knowledge and only for FreeBSDKeep in mind that the careless use of the firewall...