Jaroslaw Koscinski created SSHD-827:
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Summary: Dynamic port forwarding server closes session after first
unsuccessful connection
Key: SSHD-827
URL: https://issues.apache.org/jira/browse/SSHD-827
Project: MINA SSHD
Issue Type: Bug
Affects Versions: 1.7.0, 1.6.0, 2.0.0
Reporter: Jaroslaw Koscinski
Fix For: 2.0.0
Attachments: close_immedietely.patch
After first unsuccessful connection attempt through proxy dynamic port
forwarding socket gets closed. How to reproduce:
# Setup dynamic port forwarding
# Try connecting to unreachable host through proxy
The reason for this is because sshd tries to do graceful channel close on
channel that hasn't been opened. After unsuccessful attempt to open forwading
channel to unreachable host sshd sends SSH_MSG_CHANNEL_CLOSE to which SSH
server responds with error and the whole session is going down (tested with
SSH-2.0-OpenSSH_5.3).
I've attached a patch with fix proposal. In my case that fixed the issue.
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