Introduction Sftp (SSH or Secure file transfer protocol, Instead of using vsftpd we can use sftp, Sftp is the only secure way while comparing to vsftpd. Sftp performs all operations over an encrypted ssh Connection. It has the features of using ssh public key authentication and more as like ssh. If a user only allowed […]
As I could see there are lot of articles about knockd and it’s implementation. So, what are my efforts to make this unique? I made it simple, but detail oriented and have commented on controversies and criticism that exist. Here is an outline on what I’ve discussed. What is port knocking? What is knockd? - […]
One of the biggest security holes you could open on your server is to allow directly logging in as root through ssh. This howto shows you how to add a new user to your server so that you can su or sudo to root from it .