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Nick Couchman edited comment on GUACAMOLE-1133 at 12/28/20, 11:41 PM: ---------------------------------------------------------------------- Well, it helps if you're actually using the correct username/password combination to log in to the VNC server. In the testing I was doing I was seeing message like this: {code:java} Dec 28 16:21:17 server guacd[97676]: VNC server supports protocol version 3.889 (viewer 3.8) Dec 28 16:21:17 server guacd[97676]: We have 4 security types to read Dec 28 16:21:17 server guacd[97676]: 0) Received security type 30 Dec 28 16:21:17 server guacd[97676]: Selecting security type 30 (0/4 in the list) Dec 28 16:21:17 server guacd[97676]: 1) Received security type 33 Dec 28 16:21:17 server guacd[97676]: 2) Received security type 2 Dec 28 16:21:17 server guacd[97676]: 3) Received security type 35 Dec 28 16:21:17 server guacd[97676]: Selected Security Scheme 30 Dec 28 16:21:17 server guacd[97676]: Libgcrypt warning: missing initialization - please fix the application Dec 28 16:21:17 server guacd[97676]: VNC connection failed: Authentication or authorization failure Dec 28 16:21:17 server guacd[97676]: Unable to connect to VNC server. Dec 28 16:21:17 server guacd[51852]: guacd[97676]: ERROR: Unable to connect to VNC server.{code} The changes I've made fix the "Libgcrypt warning" that shows up there, and appear to let me connection with Guacamole and an existing Apple username/password on Mac OS X. If anyone is able to test out the following pull request and let me know if it fixes the issues you're seeing, I'd appreciate it: [https://github.com/apache/guacamole-server/pull/321] was (Author: nick.couch...@yahoo.com): Well, it helps if you're actually using the correct username/password combination to log in to the VNC server. In the testing I was doing I was seeing message like this: {code:java} Dec 28 16:21:17 server guacd[97676]: VNC server supports protocol version 3.889 (viewer 3.8) Dec 28 16:21:17 server guacd[97676]: We have 4 security types to read Dec 28 16:21:17 server guacd[97676]: 0) Received security type 30 Dec 28 16:21:17 server guacd[97676]: Selecting security type 30 (0/4 in the list) Dec 28 16:21:17 server guacd[97676]: 1) Received security type 33 Dec 28 16:21:17 server guacd[97676]: 2) Received security type 2 Dec 28 16:21:17 server guacd[97676]: 3) Received security type 35 Dec 28 16:21:17 server guacd[97676]: Selected Security Scheme 30 Dec 28 16:21:17 server guacd[97676]: Libgcrypt warning: missing initialization - please fix the application Dec 28 16:21:17 server guacd[97676]: VNC connection failed: Authentication or authorization failure Dec 28 16:21:17 server guacd[97676]: Unable to connect to VNC server. Dec 28 16:21:17 server guacd[51852]: guacd[97676]: ERROR: Unable to connect to VNC server.{code} If anyone is able to test out the following pull request and let me know if it fixes the issues you're seeing, I'd appreciate it: [https://github.com/apache/guacamole-server/pull/321] > VNC fails to connect to macOS > ----------------------------- > > Key: GUACAMOLE-1133 > URL: https://issues.apache.org/jira/browse/GUACAMOLE-1133 > Project: Guacamole > Issue Type: Bug > Components: guacamole > Affects Versions: 1.2.0 > Environment: Remote host macOS 10.15.5 > Guacamole server Raspbian GNU/Linux 10 > Reporter: Matt Fusfield > Priority: Minor > > Since upgrading to version 1.2.0, I am unable to connect via VNC to a Mac > host. The same exact configuration works with 1.1.0. > > In syslog, there are entries regarding "Selecting security type 30" and then > it receives back types 33, 36,2,35. Then "VNC connection failed: > authentication or authorization failure" > > I attempted to change config to use mac username and password, and that did > not work either (on 1.1.0 the password is set to the Mac VNC password) -- This message was sent by Atlassian Jira (v8.3.4#803005)