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https://issues.apache.org/jira/browse/GUACAMOLE-1935?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nick Couchman updated GUACAMOLE-1935:
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Affects Version/s: (was: 1.5.4)
> Document requirements for compatibility with UltraVNC's MSLogonII
> -----------------------------------------------------------------
>
> Key: GUACAMOLE-1935
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-1935
> Project: Guacamole
> Issue Type: Improvement
> Components: Documentation
> Reporter: nick
> Priority: Minor
>
> UltraVNC's MSLogonII uses Microsoft domain authentication as the security
> protocol for opening a VNC connection. [Support for this protocol was only
> added to libvncserver in
> v0.9.14|https://github.com/LibVNC/libvncserver/commit/f8333e3] (the latest
> version as of writing this), however, as far as I can tell, all of the Red
> Hat-based distros recommended for running Guacamole (Fedora, CentOS,
> Enterprise Linux) [only have packages with v0.9.13 of
> libvncserver|https://pkgs.org/search/?q=libvncserver]. I am running Guacamole
> 1.5.4 on RockyLinux 9.
> What would be the best way to overcome this?
> Updating the packages for those distros to v0.9.14 is probably the best plan,
> but I imagine this would take a fair while to ensure the update doesn’t cause
> problems for other applications that use libvncserver.
> Building libvncserver v0.9.14 from source would probably be the
> simplest/fastest workaround but unfortunately this didn’t work for me. Even
> after trying to move all the necessary library and shared object files to the
> same locations as they are when libvncserver is installed via the package
> manager (DNF), I was getting still getting an error in journalctl: – “VNC
> connection failed: authentication rejected”. I’m not sure why this didn’t
> work but I suspect there is something about the way the package manager
> installs the library that I missed when building it from source.
> The way I solved it was to rebuild the [libvncserver source RPM for my
> distro|https://dl.fedoraproject.org/pub/epel/9/Everything/source/tree/Packages/l/].
> Inside the libvncserver .tar.gz file I added in JUST the extra lines of code
> from that libvncserver commit (changes to rfbproto .c and .h files) to avoid
> causing any problems with Guacamole, or interfering with any of the
> patches/specfile inside that RPM. I installed the libvncserver RPM and then
> the libvncserver-devel RPM with DNF and MSLogonII authentication worked! But
> it seems like a bit of a dirty way to do it, so I thought I’d share this and
> see if anyone has a better idea/method.
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