[oe-issues] [Bug 2506] dropbear: broken connection termination

[bugzilla-daemon at tinman.treke.net]

http://bugs.openembedded.org/show_bug.cgi?id=2506


Arieh Skliarouk <skliarieh at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|dropbear and ipv6: broken   |dropbear: broken connection
                   |connection termination      |termination




--- Comment #7 from Arieh Skliarouk <skliarieh at gmail.com>  2007-07-16 07:31:21 ---
I am sorry for reporting that ipv6 is related. In fact it is not related. The
problem occurs even when ipv6 module is not loaded (kernel 2.6.21). The problem
can be reproduced on initrd and kernel taken from
http://www.angstrom-distribution.org/unstable/images/collie/20070709/

I am more and more inclined to blame dropbear on the problem for following
reasons:
* Disconnection works perfectly, if I connect to port 22 using telnet, and then
disconnect using CTRL+], close.

* If I connect to the Zaurus over ssh over WiFi, then do ssh connection to
loopback (ssh root at localhost), the same problem exists. Can someone verify the
problem using console cable?

* tcpdump (on client) shows, that after sending "CTRL+D", then only packet that
is received back by client is "ACK".

* Without WiFi plugged in, when I do "ssh root at localhost" from Zaurus keyboard
and then logout (successfully), netstat -an shows following:
tcp        0      0 127.0.0.1:2325          127.0.0.1:22            TIME_WAIT   

* Connections to different service (port 111) can be disconnected properly.


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