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 .
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