I'm using PuTTY to connect to a remote Ubuntu server hosted on AWS. Every now and then the connection completely freezes and nothing I do makes it respond. It comes back by itself after a few minutes and then tries to apply all the gibberish I typed while trying to get it to respond.

Is there a way to avoid these freezes/minutes long lags and if not, is there a way know when it's happening, vs the keystrokes are reaching the server but have no effect in the current context?

2

1 Answer

One possibility for your problem is when the server thinks the SSH session is inactive. There are two keepalive options in PuTTY in the category Connection; you can try if it gets better when one or both are enabled:

• Seconds between keepalives: Set to something like 10 or 20.
• Enable TCP keepalives

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