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https://issues.apache.org/jira/browse/GUACAMOLE-1461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17447168#comment-17447168
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Patrick Young commented on GUACAMOLE-1461:
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Update: I'm so glad that I solved the problem by myself.
Thanks to everyone here. I just switched the whole guacd docker image base to
Arch Linux.
For those people who met the same issue and found here, you'll be happy since
I've built one for you.
Check here for more details:
[https://gist.github.com/kmahyyg/cf751feb3326e85e55f5b743f2d53271]
One liner: docker pull ghcr.io/kmahyyg/guacamole-guacd:1.3.0-archlinux
Others are the same as official image. Also:
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE
LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER
PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER
EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE
QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE
DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
> Include libssh2 1.9.0 or later in guacd Docker image
> ----------------------------------------------------
>
> Key: GUACAMOLE-1461
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-1461
> Project: Guacamole
> Issue Type: Improvement
> Components: guacd-docker
> Reporter: Patrick Young
> Priority: Major
> Attachments: CleanShot 2021-11-18 at [email protected],
> image-2021-11-18-14-26-03-940.png, image-2021-11-18-14-27-02-502.png,
> ssh-debug.pcap
>
>
> libssh2 has recently grown support for elliptic curve cryptography, including
> support for elliptic curve KEX algorithms. The current guacd Docker image
> doesn't inherit this support, however, because it uses Debian Buster as its
> base image. To have access to a newer libssh2, the guacd image will need to
> use at least Debian Bullseye.
> It may be worth updating the image to simply point at Debian stable, assuming
> there is no longer any issue with the FreeRDP version included by that
> version of Debian. Meanwhile, the Jenkins build that performs nightly
> rebuilds of the established Docker images for the previous release can simply
> be updated to point to Debian Bullseye with its build args and thus magically
> become up-to-date.
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