Apache Server ETag Header Information Disclosure

Apache: Disable the ETag Header by

FileETag None

For Linux systems;
look for one of these files ans add “FileETag None”

/etc/apache2/conf-enabled/security.conf
/etc/apache2/conf.d/local.conf
/etc/apache2/conf.d/security
/etc/apache2/httpd.conf

Windows;

add the following two lines to an .htaccess file in your account’s public_html directory:

Header unset ETag
FileETag None