[cc] location /forums/ {
rewrite ^/forums/((urllist|sitemap_).*\.(xml|txt)(\.gz)?)$ /forums/vbseo_sitemap/vbseo_getsitemap.php?sitemap=$1 last;
if ($request_filename ~ "\.php$" ) { rewrite ^(.*)$ /forums/vbseo.php last; }
if (!-e $request_filename) { rewrite ^/forums/(.*)$ /forums/vbseo.php last; }
} [/cc]