Apache web servers use a special access control file named .htaccess, which uses a combination of directives to allow or disallow access to files or folders on the server.
The .htaccess file is also used to create custom redirect rules for files, folders and entire websites that have been moved or deleted. The normal location for your .htaccess file is in the web root directory.
For dolphin users it can be recommended to include a blocklist in htaccess to limit spam
ultimate default skeleton .htaccess file Use it as inspiration - less can do it
htaccesstools Site with various generators to create .htaccess files for ie hotlink protection, password protection, or blocking of hitbots.
clockwatchers htaccess Tools Another good Site with generators to create .htaccess files for ie hotlink protection, password protection, custom error pages etc.
blocklist IP providers for blocklist