On 2018-09-15, Chris Bennett <[email protected]> wrote: > I am using my phone's hotspot, which may or may not be secure, but is > not censoring my choice of sites to visit. Public WiFi in the USA does > so all over the place. Worse, when I lived in Washington State, I was > next to a Naval Air Station, which certainly eavesdrops, not OK, but > this is the land of the free? Now I am living in the Capital of Texas, > Austin which also leaves public WiFi under the same problems > (legislature meets here). > > I cannot maintain an SSH connection unattended long enough to go to the > bathroom and get a cup of coffee without the connection being dropped > halfway through reading my email.
Perhaps your carrier's NAT has a quick timeout. Try these sysctls: net.inet.tcp.always_keepalive=1 net.inet.tcp.keepidle=60 There are ssh-specific keepalives too, but I bet it affects other protocols too (ftp etc) so the general one is likely to be a better choice.
