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FAQ:

Why do my ssh sessions die if left idle for several minutes?

ANSWER:

Nothing on the CLASSE network should have a timeout that short, so our first guess at a cause would be that you have a home network with a NAT router, and the aging time for the address translation table in your router is too short. If so, the preferred solution would be to raise the timeout, but some NAT appliances do not support configuring this. If that isn't possible, a workaround would be to cause some traffic on the session every few minutes. Our preferred solution would be to add ServerAliveInterval 60 to ~/.ssh/config on your remote system. If you are forwarding X11, running something like "xclock" or "oclock" would also work.

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Topic revision: r2 - 03 Sep 2014, admin-dab66
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