Hi, Leco1.

"mod_rewrite" already enabled on this server.

For example in .htaccess:
RewriteEngine on
RewriteRule ^forum/(.*)$ modules/d3forum/index.php?$1 [QSA,L]

You can access this topic as
https://myht.org/forum/topic_id=512
--
Nobuhiro YASUTOMI (MySite Users Webmaster)