[GH-ISSUE #2190] 403 errors after update - can't take control #3300

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opened 2026-03-14 07:04:24 +03:00 by kerem · 0 comments

kerem commented

2026-03-14 07:04:24 +03:00

Owner

Originally created by @muzzol on GitHub (Apr 7, 2025).
Original GitHub issue: https://github.com/amidaware/tacticalrmm/issues/2190

Server Info (please complete the following information):

OS: Ubuntu 22.04.5 LTS
Browser: Several tested
RMM Version 1.1.0

Installation Method:

[ x] Standard
Standard with --insecure flag at install
Docker

Agent Info (please complete the following information):

Agent version: 2.9.0
Agent OS: Windows 10 / 11

Describe the bug
I can't take control of any machine.
Connect and RDP Connect buttons are displayed but greyed out.
In /rmm/api/tacticalrmm/tacticalrmm/private/log/access.log I can see a lot of 403 messages like this one:

X.X.X.X - - [07/Apr/2025:10:45:13 +0000] "GET /ws/dashinfo/?access_token=XXXXXXXXXXXXXXXXXXXXXXXXXX HTTP/1.1" 403 0 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36"

To Reproduce
Steps to reproduce the behavior:

Select machine
Click on Take Control
See error

Additional context
I've updated all system packages and restarted several times the server.
I also restarded multiple clients.
I've updated to 1.1.0 and restarted again clients and server.

ask for further info if you need it.

EDITED

I found this error on syslog:

Apr  7 11:24:45 SCMTACTICAL uvicorn[192119]: INFO:     ('x.x.x.x', 0) - "WebSocket /ws/dashinfo/?access_token=92cf84acfe6939b20fba58daf93359a2ce156f5c4785d2e5849ccecb950db11d" 403
Apr  7 11:24:45 SCMTACTICAL uvicorn[192119]: INFO:     connection rejected (403 Forbidden)
Apr  7 11:24:45 SCMTACTICAL uvicorn[192119]: INFO:     connection closed

And I can see other tickets with the same problem:

https://github.com/amidaware/tacticalrmm/issues/1671

Originally created by @muzzol on GitHub (Apr 7, 2025). Original GitHub issue: https://github.com/amidaware/tacticalrmm/issues/2190 **Server Info (please complete the following information):** - OS: Ubuntu 22.04.5 LTS - Browser: Several tested - RMM Version 1.1.0 **Installation Method:** - [ x] Standard - [ ] Standard with `--insecure` flag at install - [ ] Docker **Agent Info (please complete the following information):** - Agent version: 2.9.0 - Agent OS: Windows 10 / 11 **Describe the bug** I can't take control of any machine. Connect and RDP Connect buttons are displayed but greyed out. In /rmm/api/tacticalrmm/tacticalrmm/private/log/access.log I can see a lot of 403 messages like this one: X.X.X.X - - [07/Apr/2025:10:45:13 +0000] "GET /ws/dashinfo/?access_token=XXXXXXXXXXXXXXXXXXXXXXXXXX HTTP/1.1" 403 0 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36" **To Reproduce** Steps to reproduce the behavior: 1. Select machine 2. Click on Take Control 4. See error **Additional context** I've updated all system packages and restarted several times the server. I also restarded multiple clients. I've updated to 1.1.0 and restarted again clients and server. ask for further info if you need it. EDITED I found this error on syslog: ``` Apr 7 11:24:45 SCMTACTICAL uvicorn[192119]: INFO: ('x.x.x.x', 0) - "WebSocket /ws/dashinfo/?access_token=92cf84acfe6939b20fba58daf93359a2ce156f5c4785d2e5849ccecb950db11d" 403 Apr 7 11:24:45 SCMTACTICAL uvicorn[192119]: INFO: connection rejected (403 Forbidden) Apr 7 11:24:45 SCMTACTICAL uvicorn[192119]: INFO: connection closed ``` And I can see other tickets with the same problem: https://github.com/amidaware/tacticalrmm/issues/1671