Package: x2go Version: 4.0.1.19 Linux Mint 13 Maya  cups-x2go: 3.0.1.0x2goagent: 3.5.0.28x2goserver: 4.0.1.19x2goserver-extensions: 4.0.1.19x2goserver-printing: 4.0.1.19x2goserver-xsession: 4.0.1.19 Hello We have a problem with session control. When  anybody try to use current sessions  they all have been showing to him as "him_name"@session_number and hi can do anything with it despite his authentication.Every user can  run xwininfo and see all sessions as his own sessions. eugeny@pcdir-mint13 ~ $ x2golistdesktops No protocol specifiedxwininfo: error: unable to open display ":0"No protocol specifiedxwininfo: error: unable to open display ":0"eugeny@:51eugeny@:50eugeny@pcdir-mint13 ~ $ su tunkiPassword: tunki@pcdir-mint13 /home/K-DOM/eugeny $ x2golistdesktopsNo protocol specifiedxwininfo: error: unable to open display ":0"No protocol specifiedxwininfo: error: unable to open display ":0"tunki@:51tunki@:50tunki@pcdir-mint13 /home/K-DOM/eugeny $