Probably too late to post here but the timing of this article was interesting. I use the ~. on a daily basis because something in the firewall at work was caus

Probably too late to post here but the timing of this article was interesting. I use the ~. on a daily basis because something in the firewall at work was causing my idle ssh connections to hang. But just yesterday morning right before reading this article I added ServerAliveInterval 30 in the client ssh config to see if it would help and guess what, the connections were not stuck today.