Disable HTTP Trace Method
By Geoff W. on Apr. 18, 2008.
Disable the TRACE Method for PCI Compliance
Add this to your httpd.conf
TraceEnable off
Alternatively, if not using 1.3.34 or 2.0.55+, you can add this to your httpd.conf:
RewriteEngine On
RewriteCond %{REQUEST_METHOD} ^TRACE
RewriteRule .* - [F]
Category: Apache