Michael Jumper created GUACAMOLE-39:
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Summary: If the VNC parameter enable-sftp is set to true but the
SFTP server is not connectable, the system can not be accessed with VNC
Key: GUACAMOLE-39
URL: https://issues.apache.org/jira/browse/GUACAMOLE-39
Project: Guacamole
Issue Type: Bug
Components: RDP, SSH, VNC
Affects Versions: 0.9.9
Reporter: Michael Jumper
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*The description of this issue was copied from
[GUAC-1509|https://glyptodon.org/jira/browse/GUAC-1509], an issue in the JIRA
instance used by the Guacamole project prior to its acceptance into the Apache
Incubator.*
Comments, attachments, related issues, and history from prior to acceptance
*have not been copied* and can be found instead at the original issue.
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If a connection is configured to have SFTP support for file transfers with VNC,
and the SFTP server goes down or is not connectable for any reason, the system
can not be accessed. The Home, Reconnect, Logout dialog is displayed.
>From the guacd log:
{code:none}
Mar 3 10:20:25 guacd-server guacd[18646]: Protocol "vnc" selected
Mar 3 10:20:25 guacd-server guacd[18646]: Connection ID is
"$7ee12ae4-2a1d-4d4a-994c-ea2a4c4f9c02"
Mar 3 10:20:25 guacd-server guacd[18646]: VNC server supports protocol version
3.8 (viewer 3.8)
Mar 3 10:20:25 guacd-server guacd[18646]: We have 1 security types to read
Mar 3 10:20:25 guacd-server guacd[18646]: 0) Received security type 2
Mar 3 10:20:25 guacd-server guacd[18646]: Selecting security type 2 (0/1 in
the list)
Mar 3 10:20:25 guacd-server guacd[18646]: Selected Security Scheme 2
Mar 3 10:20:25 guacd-server guacd[18646]: VNC authentication succeeded
Mar 3 10:20:25 guacd-server guacd[18646]: Desktop name "Windows8"
Mar 3 10:20:25 guacd-server guacd[18646]: Connected to VNC server, using
protocol version 3.8
Mar 3 10:20:25 guacd-server guacd[18646]: VNC server default format:
Mar 3 10:20:25 guacd-server guacd[18646]: 32 bits per pixel.
Mar 3 10:20:25 guacd-server guacd[18646]: Least significant byte first in
each pixel.
Mar 3 10:20:25 guacd-server guacd[18646]: TRUE colour: max red 255 green 255
blue 255, shift red 16 green 8 blue 0
Mar 3 10:20:28 guacd-server guacd[18646]: Unable to connect to any addresses.
Mar 3 10:20:28 guacd-server guacd[18646]: Connection did not succeed
{code}
>From the guacamole log:
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10:20:28.502 [http-bio-8081-exec-3] INFO o.g.g.net.basic.TunnelRequestService
- User "admin" connected to connection "sftptest".
10:20:28.515 [http-bio-8081-exec-3] INFO o.g.g.net.basic.TunnelRequestService
- User "admin" disconnected from connection "sftptest". Duration: 13
milliseconds
{code}
If the enable-sftp param is changed to false, or deleted, this connection
succeeds.
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