====== Apache - Harden Apache - Restrict Apache Information Leakage ======
Edit the Apache2 configuration security file:
sudo vi /etc/apache2/conf-available/security.conf
Add or edit the following lines and save:
ServerTokens Prod
ServerSignature Off
TraceEnable Off
Header unset ETag
Header always unset X-Powered-By
FileETag None
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===== Restart Apache server =====
sudo service apache2 restart