First you need to enable the headers modification:
a2enmod headers
Then you need to add the following to your apache2 configuration (e.g., to your vhost config)
Header always unset "X-Powered-By"
Security
How good is my password?
There are several tools on the Internet that rate the quality of a password, though the reliability of those tools is questionable. How can one guarantee that the entered password is not transmitted to a 3rd party and added to a password database? In my master thesis I have analyzed the strength of passwords and here I want to give a short overview of what I consider a good password. ...continue reading
Keeping your passwords safe
It is recommended to have more than one password, preferably each website / service we are using should have its own unique password. Obviously this is not an easy task to master, especially for websites / services that are only rarely visited. Writeing down the password in an unencrypted text-file is an option, but it is not recommended due to security concerns. Writeing it down on a piece of paper is easy, but one might lose that piece of paper, or worse, somebody else might steal it. ...continue reading