例
FreeBit.NE.JP からのアクセスで，User Agent が `Mozilla/4.0 (compatible; MSIE 6.0; Windows 98)'を /hoge.html に誘導
httpd.conf に記述
RewriteCond %{HTTP_REFERER} ^$RewriteCond %{REMOTE_HOST} \.FreeBit\.NE\.JP$ [NC]
RewriteCond %{HTTP_USER_AGENT} "^Mozilla/4.0 \(compatible; MSIE 6.0; Windows 98\)$"
RewriteRule ^.*$ /hoge.html [L]