Bug 7730 - Error while connecting Qt Cretaor to device.
Summary: Error while connecting Qt Cretaor to device.
Status: RESOLVED INVALID
Alias: None
Product: buildroot
Classification: Unclassified
Component: Other (show other bugs)
Version: 2014.11
Hardware: PC Linux
: P5 critical
Target Milestone: ---
Assignee: unassigned
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2014-12-17 15:38 UTC by Sameer R
Modified: 2014-12-19 16:48 UTC (History)
2 users (show)

See Also:
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Target:
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Description Sameer R 2014-12-17 15:38:27 UTC
I have generated a image for the raspberry pi board using buildroot 2014.11, but while connecting Qt Creator via ssh to raspberry pi board it shows the following error.

Connecting to host...
SSH connection failure: SSH Protocol error: Server and client capabilities don't match. Client list was: aes128-cbc,3des-cbc.
Server list was aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com,chacha20-poly1305@openssh.com.

Device test failed.

Whereas it is possible to connect the raspberry pi via terminal using ssh. Please help me with this issue.
Comment 1 Sameer R 2014-12-19 15:59:53 UTC
Can any one help me with this issue please.

(In reply to comment #0)
> I have generated a image for the raspberry pi board using buildroot 2014.11,
> but while connecting Qt Creator via ssh to raspberry pi board it shows the
> following error.
> 
> Connecting to host...
> SSH connection failure: SSH Protocol error: Server and client capabilities
> don't match. Client list was: aes128-cbc,3des-cbc.
> Server list was
> aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com,chacha20-poly1305@openssh.com.
> 
> Device test failed.
> 
> Whereas it is possible to connect the raspberry pi via terminal using ssh.
> Please help me with this issue.
Comment 2 Gustavo Zacarias 2014-12-19 16:48:33 UTC
Relax a bit, this is all volunteer effort and you won't get anyone on their good side by pushing.
That being said, gives the server list ciphers it seems you're using openssh on the board (chacha20-poly1305 is very openssh-specific for now) and your client only supports pretty old/basic ciphers which have been deprecated in openssh because they're considered not safe any longer.

So either you upgrade your client or switch to dropbear instead of openssh on the rpi which allows for the not-so-secure ciphers.

In any case this is not a buildroot problem, so closing the bug as INVALID.