Remote Desktop Connection closes almost immediately when trying to connect to Debian via WSL

[RenoL911]

Hello everyone,

I'm facing intermittent issues with accessing my Linux server from a Windows 10 PC using XRDP. Here are the details:

Linux Distribution: Debian 12
XRDP Version: 0.9.21
Desktop Environment: Windows

Logs from systemctl status xrdp:

● xrdp.service - xrdp daemon
Loaded: loaded (/lib/systemd/system/xrdp.service; enabled; preset: enabled)
Active: active (running) since Wed 2024-05-29 13:41:25 +01; 2h 29min ago
Docs: man:xrdp(8)
man:xrdp.ini(5)
Process: 2208 ExecStartPre=/bin/sh /usr/share/xrdp/socksetup (code=exited, status=0/SUCCESS)
Process: 2216 ExecStart=/usr/sbin/xrdp $XRDP_OPTIONS (code=exited, status=0/SUCCESS)
Main PID: 2217 (xrdp)
Tasks: 1 (limit: 4630)
Memory: 904.0K
CGroup: /system.slice/xrdp.service
└─2217 /usr/sbin/xrdp

May 29 16:06:26 DESKTOP-BT9EVUK xrdp[2670]: [INFO ] xrdp_wm_log_msg: sesman connect ok
May 29 16:06:26 DESKTOP-BT9EVUK xrdp[2670]: [INFO ] sesman connect ok
May 29 16:06:26 DESKTOP-BT9EVUK xrdp[2670]: [INFO ] sending login info to session manager. Please wait...
May 29 16:06:26 DESKTOP-BT9EVUK xrdp[2670]: [INFO ] xrdp_wm_log_msg: login successful for user osama on display 11
May 29 16:06:26 DESKTOP-BT9EVUK xrdp[2670]: [INFO ] login successful for user osama on display 11
May 29 16:06:26 DESKTOP-BT9EVUK xrdp[2670]: [INFO ] loaded module 'libxup.so' ok, interface size 10296, version 4
May 29 16:06:27 DESKTOP-BT9EVUK xrdp[2670]: [INFO ] started connecting
May 29 16:06:27 DESKTOP-BT9EVUK xrdp[2670]: [INFO ] lib_mod_connect: connecting via UNIX socket
May 29 16:06:27 DESKTOP-BT9EVUK xrdp[2670]: [INFO ] lib_mod_log_peer: xrdp_pid=2670 connected to X11rdp_pid=2673 X11rdp>
May 29 16:06:27 DESKTOP-BT9EVUK xrdp[2670]: [INFO ] connected ok

i have tried everything on the web but no progress let me know if you need more info

thanks in advance

[matt335672]

@RenoL911 - check that your issue isn't this

If that's not it, please raise an issue and provide all the information you're asked for. You log file above is absolutely fine.

[RenoL911]

no nothing helpful would you like me to privide any additional infos that might help you asses the stuation ? and mybe find a way out am trying to access the debian install via WSL2 on my windwos BTW

[matt335672]

@RenoL911 we need a more structured report. Please raise an issue. Include relevant parts of /var/log/xrdp.log and /var/log/xrdp-sesman.log.

[RenoL911]

ok there you go

/var/log/xrdp.log:

[20240529-12:17:50] [INFO ] starting xrdp with pid 2518
[20240529-12:20:23] [INFO ] starting xrdp with pid 2554
[20240529-12:25:40] [INFO ] starting xrdp with pid 345
[20240529-12:31:27] [INFO ] starting xrdp with pid 329
[20240529-12:35:05] [INFO ] starting xrdp with pid 346
[20240529-12:52:55] [ERROR] Cannot read private key file /etc/xrdp/key.pem: Permission denied
[20240529-12:52:58] [ERROR] Cannot read private key file /etc/xrdp/key.pem: Permission denied
[20240529-13:00:28] [ERROR] Cannot read private key file /etc/xrdp/key.pem: Permission denied
[20240529-13:00:31] [ERROR] Cannot read private key file /etc/xrdp/key.pem: Permission denied
[20240529-12:52:56] [ERROR] libxrdp_force_read: header read error
[20240529-12:52:56] [ERROR] Processing [ITU-T T.125] Connect-Initial failed
[20240529-12:52:56] [ERROR] [MCS Connection Sequence] receive connection request failed
[20240529-12:52:56] [ERROR] xrdp_sec_incoming: xrdp_mcs_incoming failed
[20240529-12:52:56] [ERROR] xrdp_rdp_incoming: xrdp_sec_incoming failed
[20240529-12:52:56] [ERROR] xrdp_process_main_loop: libxrdp_process_incoming failed
[20240529-13:00:28] [ERROR] libxrdp_force_read: header read error
[20240529-13:00:29] [ERROR] Processing [ITU-T T.125] Connect-Initial failed
[20240529-13:00:29] [ERROR] [MCS Connection Sequence] receive connection request failed
[20240529-13:00:29] [ERROR] xrdp_sec_incoming: xrdp_mcs_incoming failed
[20240529-13:00:29] [ERROR] xrdp_rdp_incoming: xrdp_sec_incoming failed
[20240529-13:00:29] [ERROR] xrdp_process_main_loop: libxrdp_process_incoming failed
[20240529-12:52:58] [WARN ] Received [MS-RDPBCGR] TS_UD_HEADER type 0xc006 is unknown (ignored)
[20240529-12:52:59] [WARN ] Received [MS-RDPBCGR] TS_UD_HEADER type 0xc00a is unknown (ignored)
[20240529-12:53:00] [WARN ] xrdp_caps_process_codecs: unknown codec id 5
[20240529-12:52:59] [INFO ] Non-TLS connection established from ::1 port 38442: with security level : high
[20240529-13:00:32] [INFO ] Non-TLS connection established from ::1 port 58636: with security level : high

/var/log/xrdp-sesman.log:

[20240529-13:06:29] [ERROR] pam_authenticate failed: Authentication failure
[20240529-13:06:29] [INFO ] AUTHFAIL: user=osma ip=::1 time=1716984389
[20240529-13:06:29] [ERROR] sesman_data_in: scp_process_msg failed
[20240529-13:06:29] [ERROR] sesman_main_loop: trans_check_wait_objs failed, removing trans
[20240529-13:06:46] [INFO ] Socket 12: AF_INET6 connection received from ::1 port 40458
[20240529-13:06:46] [INFO ] Terminal Server Users group is disabled, allowing authentication
[20240529-13:06:46] [INFO ] ++ created session (access granted): username osama, ip ::1:56268 - socket: 12
[20240529-13:06:46] [INFO ] starting Xorg session...
[20240529-13:06:46] [INFO ] Found X server running at /tmp/.X10-lock
[20240529-13:06:46] [INFO ] Starting session: session_pid 1290, display :11.0, width 1600, height 1200, bpp 24, client ip ::1:56268 - socket: 12, user name osama
[20240529-13:06:46] [INFO ] [session start] (display 11): calling auth_start_session from pid 1290
[20240529-13:06:46] [ERROR] sesman_data_in: scp_process_msg failed
[20240529-13:06:46] [INFO ] Starting X server on display 11: /usr/lib/xorg/Xorg :11 -auth .Xauthority -config xrdp/xorg.conf -noreset -nolisten tcp -logfile .xorgxrdp.%s.log
[20240529-13:06:47] [ERROR] sesman_main_loop: trans_check_wait_objs failed, removing trans
[20240529-13:06:47] [INFO ] Found X server running at /tmp/.X11-lock
[20240529-13:06:47] [INFO ] Found X server running at /tmp/.X11-lock
[20240529-13:06:47] [INFO ] Session started successfully for user osama on display 11
[20240529-13:06:47] [INFO ] Starting the xrdp channel server for display 11
[20240529-13:06:47] [INFO ] Found X server running at /tmp/.X11-lock
[20240529-13:06:47] [INFO ] Session in progress on display 11, waiting until the window manager (pid 1291) exits to end the session
[20240529-13:06:48] [INFO ] Starting the default window manager on display 11: /etc/xrdp/startwm.sh
[20240529-13:06:48] [WARN ] Window manager (pid 1291, display 11) exited quickly (0 secs). This could indicate a window manager config problem
[20240529-13:06:48] [INFO ] Calling auth_stop_session and auth_end from pid 1290
[20240529-13:06:49] [INFO ] Terminating X server (pid 1292) on display 11
[20240529-13:06:49] [INFO ] Terminating the xrdp channel server (pid 1300) on display 11
[20240529-13:06:49] [INFO ] X server on display 11 (pid 1292) returned exit code 0 and signal number 0
[20240529-13:06:49] [INFO ] xrdp channel server for display 11 (pid 1300) exit code 0 and signal number 0
[20240529-13:06:49] [INFO ] cleanup_sockets:
[20240529-13:06:49] [INFO ] Process 1290 has exited
[20240529-13:06:49] [INFO ] ++ terminated session: username osama, display :11.0, session_pid 1290, ip ::1:56268 - socket: 12

[matt335672]

@RenoL911 - please raise an issue

[matt335672]

See #3110