On Mon, Apr 29, 2019 at 10:46 AM Lance Gropper <
[email protected]> wrote:

> ...
>
> Apr 29 10:43:39 guacamole-post guacd[20282]: Creating new client for
> protocol "vnc"
>
> ...
>
> Apr 29 10:43:39 guacamole-post guacd[20405]: Selected Security Scheme 2
>
> Apr 29 10:43:39 guacamole-post guacd[20405]: VNC connection failed:
> Authentication failed from 10.17.102.9
>
> Apr 29 10:43:39 guacamole-post guacd[20405]: Unable to connect to VNC
> server.
>

"Security scheme 2" is standard VNC authentication (a password). Double
check that the password you specified in your configuration for the VNC
connection in Guacamole is correct.

Apr 29 10:43:39 guacamole-post kernel: guacd[20408]: segfault at 10 ip
> 00007f77bd29ddf2 sp 00007f77be4aab90 error 4 in
> libguac-client-vnc.so.0.0.0[7f77bd295000+13000]
>

Assuming you are using 0.9.14 or older, please upgrade to 1.0.0. Older
releases had an issue which would result in a segfault if the password
provided for VNC was incorrect:

http://guacamole.apache.org/releases/1.0.0/#general-connection-stability
https://issues.apache.org/jira/browse/GUACAMOLE-424

- Mike

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