,Hello, i have an issue with guacamole-server - with Docker image that built from source (github).
i'm using the latest version of guacd that taken from github (guacamole-server) . i built the guacd with the Dockerfile that located in the repo. my issue is : when i'm trying to connect to VNC machine (OS: MAC) it failed. i took a packet capture and looks like the vnc server return an error to guacd : "authorization or authentication failure." I tried to take the guacd Docker image from docker-hub (1.1.0) and Boom the vnc opened successfully, moreover I compiled "guacd" locally (no docker) with the latest code (Centos 7) and again the vnc connection opened successfully ( so, probably the issue is not with code). i guess it's something with the debian or one of the dependencies , but i can't figure it out. it happened only with mac devices. do you familiar with any issues with building guacd from Dockerfile? in addition - maybe someone know what is the different between the image in docker-hub to the Dockerfile in github (except of the source code) ? guacd debug: guacd[8]: INFO: Creating new client for protocol "vnc" guacd[8]: INFO: Connection ID is "$917d684e-4624-4061-8b91-0bd341e58eb0" guacd[29270]: DEBUG: Processing instruction: size guacd[29270]: DEBUG: Processing instruction: audio guacd[29270]: DEBUG: Processing instruction: video guacd[29270]: DEBUG: Processing instruction: image guacd[29270]: DEBUG: Processing instruction: timezone guacd[29270]: DEBUG: Parameter "username" omitted. Using default value of "". guacd[29270]: INFO: Cursor rendering: local guacd[29270]: DEBUG: Parameter "swap-red-blue" omitted. Using default value of 0. guacd[29270]: DEBUG: Parameter "read-only" omitted. Using default value of 0. guacd[29270]: DEBUG: Parameter "color-depth" omitted. Using default value of 0. guacd[29270]: DEBUG: Parameter "dest-port" omitted. Using default value of 0. guacd[29270]: DEBUG: Parameter "encodings" omitted. Using default value of "zrle ultra copyrect hextile zlib corre rre raw". guacd[29270]: DEBUG: Parameter "autoretry" omitted. Using default value of 0. guacd[29270]: DEBUG: Parameter "reverse-connect" omitted. Using default value of 0. guacd[29270]: DEBUG: Parameter "listen-timeout" omitted. Using default value of 5000. guacd[29270]: DEBUG: Parameter "enable-audio" omitted. Using default value of 0. guacd[29270]: DEBUG: Parameter "enable-sftp" omitted. Using default value of 0. guacd[29270]: DEBUG: Parameter "sftp-hostname" omitted. Using default value of "91.90.132.101". guacd[29270]: DEBUG: Parameter "sftp-port" omitted. Using default value of "22". guacd[29270]: DEBUG: Parameter "sftp-username" omitted. Using default value of "". guacd[29270]: DEBUG: Parameter "sftp-password" omitted. Using default value of "". guacd[29270]: DEBUG: Parameter "sftp-passphrase" omitted. Using default value of "". guacd[29270]: DEBUG: Parameter "sftp-root-directory" omitted. Using default value of "/". guacd[29270]: DEBUG: Parameter "sftp-server-alive-interval" omitted. Using default value of 0. guacd[29270]: DEBUG: Parameter "recording-name" omitted. Using default value of "recording". guacd[29270]: DEBUG: Parameter "recording-exclude-output" omitted. Using default value of 0. guacd[29270]: DEBUG: Parameter "recording-exclude-mouse" omitted. Using default value of 0. guacd[29270]: DEBUG: Parameter "recording-include-keys" omitted. Using default value of 0. guacd[29270]: DEBUG: Parameter "create-recording-path" omitted. Using default value of 0. guacd[29270]: DEBUG: Parameter "disable-copy" omitted. Using default value of 0. guacd[29270]: DEBUG: Parameter "disable-paste" omitted. Using default value of 0. guacd[29270]: INFO: User "@9a63d842-3857-4465-8633-b0e0bbc73cac" joined connection "$917d684e-4624-4061-8b91-0bd341e58eb0" (1 users now present) guacd[29270]: DEBUG: Client is using protocol version "VERSION_1_1_0" guacd[29270]: ERROR: Unable to connect to VNC server. guacd[29270]: INFO: User "@9a63d842-3857-4465-8633-b0e0bbc73cac" disconnected (0 users remain) guacd[29270]: INFO: Last user of connection "$917d684e-4624-4061-8b91-0bd341e58eb0" disconnected guacd[29270]: DEBUG: Requesting termination of client... guacd[29270]: DEBUG: Client terminated successfully. guacd[8]: INFO: Connection "$917d684e-4624-4061-8b91-0bd341e58eb0" removed. pcap: [image: image.png] thank you all, Kishik
