Problem using reverse ssh tunnel (remote port forwading)
Ben Kinsella
BKinsella at advantech-bb.com
Fri May 25 23:05:58 AWST 2018
I have various devices on a private network behind a router, and I typically use "ssh -R" to access them.
i.e. On the device I run
$ ssh -fN -R :10022:localhost:22 user at relayserver
Then I can ssh in via relayserver.
This works for several different device types.
However, it is not working for a particular device with dropbear v2017.75.
The initial "ssh -R" command works (I can confirm with netstat on relayserver), but when I attempt to connect I get an error:
$ ssh -p 10022 root at localhost
ssh_exchange_identification: Connection closed by remote host
Any suggestions?
Regards,
Ben.
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