I do not have an explanation why, but I tested with a different Guacamole server and the containerized VM works just fine. It appears the issues lay in that actual server build somewhere, and not any inherent issue with protocol.
Sent with [Proton Mail](https://proton.me/mail/home) secure email. On Thursday, March 13th, 2025 at 9:04 AM, viktor_krumm <viktor_kr...@proton.me.INVALID> wrote: > Of course. I should have already sorry. I did not know how to word the title, > considering the link is somehow between Guacamole, XRDP, and possibly Openbox > or X? > > Guacamole/GuacD - tested 1.5.4 and 1.5.5 > Alpine: v3.21 > Debian: bookworm (alternate system, same issue) > xrdp: 0.10.1 (alpine), 0.9.21 (debian) > Xorg-server: 21.1.6 (alpine), 21.1.7 (debian) > Openbox: 3.6.1 (both) > > I have 3 test builds - a Debian box with xorg, xrdp, and openbox, an Alpine > box with those three, and a different Debian box running Docker with an > Alpine image closely cooresponding to the second box. All three show the same > symptoms. No system has xfce4 (which I have had no issues using in the past). > > I get no error messages that I can find in guacamole or guacd, or Xorg. The > guacamole connection will stay up for an unknown amount of time - it will not > time out. Microsoft RDP Client works with all three test boxes. I have > Firefox auto starting, and I can browse just fine. > > I just ran tcpdump on the Debian 1 host, and I see a storm of TCP ACK packets > length 0, with rare SEQ if I try to do a mouse or keypress. But the screen > will not update. I can try with another WM instead of Openbox next. > > Sent with [Proton Mail](https://proton.me/mail/home) secure email. > > On Wednesday, March 12th, 2025 at 5:14 PM, Nick Couchman <vn...@apache.org> > wrote: > >> On Wed, Mar 12, 2025 at 5:11 PM viktor_krumm >> <viktor_kr...@proton.me.invalid> wrote: >> >>> I have created a unique test box with XRDP. It is a docker container built >>> off of Alpine, using Xorg-server, openbox as my window manager, and no >>> desktop manager. .xinitrc calls my application as necessary. I can start >>> the container and RDP into it with Microsoft RDP client just fine. No >>> issues. >> >> I use Guacamole to access xrdp systems running XFCE on a daily basis, so >> this is not a general issue with Guacamole being unable to access xrdp - >> that works fine. >> >>> I try to login with Guacamole and it immediately freezes. The screen >>> partially or fully renders, it appears to capture some amount of mouse >>> movement, but then is completely unresponsive. Disconnecting and >>> reconnecting will show a different screen, showing some communication has >>> happened. >>> >>> Guacamole can access Windows systems just fine. I have also gotten it to >>> work with XRDP before on Linux desktops just fine >>> >>> Can someone explain why Guacamole will not work with XRDP/Openbox here, but >>> Windows will? >> >> Could you provide more details, like: >> * Version of Guacamole you're using. >> * Version of Alpine Linux, xrdp, Xorg, etc., you're accessing. >> * Messages from guacd during the login and freeze process. >> >> -Nick >> >>>