SSH: Multiple sessions and getting locked out

If you make more than 4 SSH connections to your Physics account within a 60 second period, the system assumes this is an SSH attack and will blocks SSH connections from your IP address for the next 60 minutes.

If you try to log in again within those 60 minutes, the time counting will reset and counting for another 60 minutes begins.

So do not try to log in at least 60 minutes and it will come back to normal.

If, in some unique case, you need to make multiple connections, you should wait at least 60 seconds before initiating connections after the 3rd or 4th.