Trace Back : Testing if Trace back is enabled : telnet localhost 80 TRACE / HTTP / 1.0 If you get any response back trace is enabled. Disabling Trace Back : vi /etc/httpd/conf/httpd.conf TraceEnable off or , use an htaccess or rewrite rule : RewriteEngine On RewriteCond %{REQUEST_METHOD} ^TRACE RewriteRule .* -