Hide Version Number and Other Sensitive Info

• Modify ServerTokens to be prod - packet header

ServerTokens   Prod[uctOnly] 
Info sent to clients: Server: Apache 

• Hide ServerSignature - 404 pages

Steps

$ sudo vim /etc/apache2/apache2.conf        #Debian/Ubuntu systems
$ sudo vim /etc/httpd/conf/httpd.conf       #RHEL/CentOS systems

Add/modify/append the lines below:

ServerTokens Prod
ServerSignature Off

$ sudo systemctl restart apache2  #SystemD
$ sudo service apache2 restart     #SysVInit

Reference

tecmint site

To be continued…