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How to secure SSH logins with port knocking
Knock, knock … who’s there? SSH. SSH who? You need to lock down your servers so that only you have access via SSH. One way to help that is with knockd. Jack Wallen shows you how. Image: Funtap/Shutterstock Secure Shell is the de-facto standard for logging into remote Linux servers. It’s served many an administrator well over the years. But just because it has the word “secure” in its title, doesn’t mean that it always…
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