How to hide Apache Version and OS Identity from Errors in Apache HTTP server

Environment: Apache Webserver
- When you install apache with source or package through installer like Yum, it displays the version of Apache and OS version in the errors.
- It also shows the module installed in the Apache server
- It also shows the Port number

Steps to follow in RHEL, CentOS , Fedora, Debian and Ubuntu
1. Open the httpd.conf/apache2.conf file based on the OS
# vim /etc/httpd/conf/httpd.conf (RHEL/CentOS/Fedora)
# vim /etc/apache2/apache2.conf (Debian/Ubuntu)

2. Add the below configuration to httpd.conf/apache2.conf and Save the file
ServerSignature Off
ServerTokens Prod

3. Restart the Server and That’s It
# service httpd restart (RHEL/CentOS/Fedora)
# service apache2 restart (Debian/Ubuntu)