Hello

I am doing this:

ssh -K 3 -I 60 -i keyfile -N -R 2222:localhost:22 user@host

I am intending a dropbear ssh client to set up a reverse proxy connection to a server, so I am using -N and -R.

I am also using -K and -I so that the connection sends keepalives and will timeout if the network is disrupted.

My problem is that the above results in the session dying 60 seconds after setup is finished because the idle timeout is being hit. I am not sure how -I is metering inbound traffic, but it's apparently not picking up anything.

Note that I have "ClientAliveInterval 15" set on the sshd_config server side. I would expect dropbear to count this traffic towards -I.

Without -I above, it took my device 18 minutes to figure out that I had pulled the network out from under it by shutting down the interface. That isn't acceptable.

Can dropbear do this, or do I need to use openssh? I get the feeling after reading what I have read that dropbear is too simple to figure out when the server has gone away in most situations.



Relevant:

https://www.mail-archive.com/[email protected]/msg00978.html

https://www.mail-archive.com/[email protected]/msg00648.html

https://www.mail-archive.com/[email protected]/msg00402.html

Thanks in advance.

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