On: Secure your Linux server - HowTo by the NSA

[jacques_chester]

> That's not security, that's obscurity. If your ssh is secure, you don't need to change your port number.

It's also a mild performance hack. Bouncing a connection to a closed port is faster than waking up the SSH daemon to bounce the same connection. Port 22 gets a lot of traffic.

[qpleple → jacques_chester]

Does this quickly bounced traffic on port 22 affect that much the server ?

[jacques_chester → qpleple]

It produces an annoying amount of log entries when the port is open.