I did a security scan of my server and got the following message:
This test gives some information about the remote HTTP protocol - the version used, whether HTTP Keep-Alive and HTTP pipelining are enabled, etc. Protocol version: HTTP/1.1 SSL: no Pipelining: yes Keep-Alive: yes Options allowed: (Not implemented) Headers: Date: Mon, 07 Oct 2013 13:00:40 GMT Server: Apache Vary: Cookie,Accept-Encoding X-Pingback: http://mydomain.com/xmlrpc.php Location: http://mydomain.com/ X-Powered-By: PleskLin Content-Length: 0 Keep-Alive: timeout=5, max=100 Connection: Keep-Alive Content-Type: text/html, charset=UTF-8
What is required here and what can I safely remove?
Edit: found answer for X-Powered-By here and modified the question to only ask one question, not two.