一样的Rewrite，写在.htaccess中正常，写在http.conf中没起作用

同样的Rewrite，写在.htaccess中正常，写在http.conf中没起作用
RewriteRule (.*).htm mnks/index.php [NC,R,L]
RewriteRule (.*).php mnks/index.php?key=12345678901234567890123456789012 [NC,R,L]

写在http.conf中为：

XML code

<IfModule mod_Rewrite.c>RewriteEngine OnRewriteRule (.*).htm mnks/index.php [NC,R,L]RewriteRule (.*).php mnks/index.php?key=12345678901234567890123456789012 [NC,R,L]</IfModule>