Jack Wallen shows you how to set up both two-factor authentication and SSH key authentication for a rock-solid remote login of your Linux servers. Chances are you administer your Linux machines by way ...

Learn how to enable passwordless SSH authentication on both Linux and macOS. You probably secure shell into your Linux servers throughout the day. Hopefully, you’ve set those servers up such that ...

A vulnerability affects all versions of the OpenSSH client released in the past two decades, ever since the application was released in 1999. The security bug received a patch this week, but since the ...

If you run a publicly accessible Web server for your own use (and let's face it, if you're reading Linux Journal, there's a very good chance you do), how do you go about limiting the risk of someone ...

Researchers have warned of a critical vulnerability affecting the OpenSSH networking utility that can be exploited to give attackers complete control of Linux and Unix servers with no authentication ...

An advisory issued on Wednesday by vendor Internet Security Systems (ISS) warns that versions OpenBSD 3.0, OpenBSD 3.1, FreeBSD-Current, and OpenSSH 3.0-3.2.3 are affected by the vulnerability.

I'm trying to get Ubuntu to authenticate users across multiple Kerberos realms.According to this I think I may be running into a problem with how OpenSSH resolves UIDs and not a Kerberos issue itself: ...

A popular open-source program for encrypted communications has a serious flaw that could let Internet attackers slip into servers running the software, said its creators and a security firm this week.