How SSH port became 22 The default SSH port is 22. It is not a coincidence. This is a story of how it got that port. When I (Tatu Ylonen first published this story in April 2017, it went viral and got about 120,000 readers in three days. The story of getting SSH port 22 I wrote the initial version of SSH (Secure Shell) in Spring 1995. It was a time when telnet and FTP were widely used. Anyway, I d
![The Story of Getting SSH Port 22](https://cdn-ak-scissors.b.st-hatena.com/image/square/623fb59e59f0e0f2fc5c10dafc60efc06f57c456/height=288;version=1;width=512/https%3A%2F%2Fwww.ssh.com%2Fhubfs%2Fssh-og.png)