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Apache mod_rewrite: explain me %{HTTP_HOST} expecially when using addon domains Situation (directories tree) on an Apache server with addon domains: main-domain.com/ | |_ .htaccess (just an empty file, no rule in here) |_ index.html (shown when accessing http://main-domain.com) | |_ addon-domain-1.com/ | | | |_ .htaccess | |_ index.html (shown when accessing http://addon-domain-1.com or http://main-domain.com/addon-domain-1.com/) | |_ addon-domain-2.com/ | |_ .htaccess |_ index.html (shown when accessing http://addon-domain-2.com or http://main-domain.com/addon-domain-2.com/) Let's say in "addon-domain-1.com/.htaccess" file I have some rule using %{HTTP_HOST} like: RewriteCond %{HTTP_HOST} ^something$ Does %{HTTP_HOST} evaluates to the domain of the currently requested url on server??? So if asking for: http://addon-domain-1.com/ %{HTTP_HOST} will be "addon-domain-1.com"? http://addon-domain-1.com (without final slash) %{HTTP_HOST} will still be "addon-domain-1.com"? http://www.addon-domain-1.com %{HTTP_HOST} will still be "www.addon-domain-1.com"? And when asking for: http://main-domain.com/addon-domain-1.com %{HTTP_HOST} will be "main-domain.com"??? or "main-domain.com/addon-domain-1.com"???

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