RewriteEngine On
RewriteCond %{HTTP_HOST}   ^fsk141\.ath\.cx [NC]
RewriteRule .*             http://fsk141.ath.cx/diri/%1 [L]
RewriteCond %{HTTP_HOST}   !^fsk141\.ath\.cx [NC]
RewriteCond %{HTTP_HOST}   !=""
RewriteRule ^(.*)         http://fsk141.ath.cx/$1 [L,R=301]
RewriteRule ^view.sh(.*)  /diri [R=301]
RewriteRule ^diri(.*)     /show.rc$1
RewriteRule ^edit(.*)     /edit.rc$1
RewriteRule ^remove(.*)   /remove.rc$1
RewriteRule ^save(.*)     /save.rc$1