Apr 24

The story of how SSH got to be on port 22

Passing along an interesting read by Tatu Ylonen, the inventor of the original SSH program and the SSH 1 protocol, on how it’s not a coincidence that SSH got assigned to port number 22 and how scared he was of the [in]formal process of allocating a port number.

If you’re scared of leaving your SSH server unprotected today – almost 22 years later, you can get to sleep a little easier by installing SSHGuard.

Lates Releases View all»

  • Latest releases Latest releases are available from SourceForge. See 'News'.
  • sshguard 1.5 This is a milestone release, coming after 18 months ...
  • sshguard 1.5 Sshguard monitors services through their logging activity. It reacts ...

F.A.Q. View all»

  • What is sshguard?Sshguard is a small program that monitors services running on your machine from the log files. When it ...
  • Sshguard does not workYou have one of these problems: sshguard is not given logs correctly sshguard cannot run the commands for ...
  • What does sshguard do?The short version is: it receives log messages, it detects when a networked service has been abused based ...