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EVDO and SSH Timeouts
By Matt | October 6, 2007
When I switched to EVDO, I started having major problems with SSH Sessions timing out, which is a major problem for me. I have also run into this on some Cable broadband systems, while DSL has always performed well.
I use an SSH Tunnel to send outgoing email (so regardless of whether I’m on my own or another wireless or wired network, I never have to monkey with smtp servers on ISPs that block port 25). More importantly, I typically have 4 or 5 sessions to various machines open all day long and toggle between them as needed. Having them disconnect every 10 minutes or whatever it was would have been a deal breaker with the switch to EVDO as my primary broadband service.
The fix for me was blitheringly trivial:
I use the pretty-darn-good program Putty for most of my SSH work. Setting a keepalive in it that sends a null packet to the connected server every 15 seconds gave me good, stable connections.
Topics: Networking, Sysadmin Tools | No Comments »
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