Restarting all service using docker compose down and start again with docker compose up -d.
After all service up, try to access Pangolin dashboard (e.g: pangolin.example.com), and the dashboard cannot accessed.
Expected Behavior
Can open Pangolin dashboard without issues
Originally created by @cyrxs on GitHub (Dec 24, 2025).
Original GitHub issue: https://github.com/fosrl/pangolin/issues/2162
### Describe the Bug
Pangolin dashboard cannot open after add `tcp` config on `dynamic_config.yml`, and Traefik show this error
```
2025-12-24T13:10:55+07:00 ERR Error while building configuration (for the first time) error="field not found, node: proxyProtocol" providerName=file
```
### Environment
- OS Type & Version: Ubuntu 24.04.3 LTS
- Pangolin Version: 1.14.0
- Gerbil Version: 1.3.0
- Traefik Version: 3.4.0
- Newt Version: 1.8.0
- Olm Version: (if applicable)
### To Reproduce
- I add the following to the bottom of dynamic_config.yml file
```
tcp:
serversTransports:
pp-transport-v1:
proxyProtocol:
version: 1
pp-transport-v2:
proxyProtocol:
version: 2
```
- Restarting all service using `docker compose down` and start again with `docker compose up -d`.
- After all service up, try to access Pangolin dashboard (e.g: `pangolin.example.com`), and the dashboard cannot accessed.
### Expected Behavior
Can open Pangolin dashboard without issues
@AstralDestiny commented on GitHub (Dec 24, 2025):
Can you put traefik into trace logging please? and make sure you're on v3.5+ or v3 for the tagging for traefik.
<!-- gh-comment-id:3689757706 -->
@AstralDestiny commented on GitHub (Dec 24, 2025):
Can you put traefik into trace logging please? and make sure you're on v3.5+ or v3 for the tagging for traefik.
Ah i see, after upgrading to traefik:v3.6.0, it works! Thank you for your help!
<!-- gh-comment-id:3693938325 -->
@cyrxs commented on GitHub (Dec 27, 2025):
Ah i see, after upgrading to `traefik:v3.6.0`, it works! Thank you for your help!
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Originally created by @cyrxs on GitHub (Dec 24, 2025).
Original GitHub issue: https://github.com/fosrl/pangolin/issues/2162
Describe the Bug
Pangolin dashboard cannot open after add
tcpconfig ondynamic_config.yml, and Traefik show this errorEnvironment
To Reproduce
docker compose downand start again withdocker compose up -d.pangolin.example.com), and the dashboard cannot accessed.Expected Behavior
Can open Pangolin dashboard without issues
@AstralDestiny commented on GitHub (Dec 24, 2025):
Can you put traefik into trace logging please? and make sure you're on v3.5+ or v3 for the tagging for traefik.
@cyrxs commented on GitHub (Dec 27, 2025):
Ah i see, after upgrading to
traefik:v3.6.0, it works! Thank you for your help!@AstralDestiny commented on GitHub (Dec 27, 2025):
Cheers.