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[GH-ISSUE #1852] UDP is bugged with Traefik 3.6 #32093

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opened 2026-06-15 09:20:56 -05:00 by GiteaMirror · 2 comments
GiteaMirror commented 2026-06-15 09:20:56 -05:00
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Originally created by @standadHD on GitHub (Nov 12, 2025).
Original GitHub issue: https://github.com/fosrl/pangolin/issues/1852

Describe the Bug

Just for your information, if you ran in the same problem like me.
I updated the whole pangolin stack to the newest versions including Traefik.
After that, all my UDP forwards didnt work anymore.

As you can see here: https://github.com/traefik/traefik/issues/12251
it seems like a bug.
So if you update pangalon, dont update Traefik to 3.6 if you want to use UDP forwarding!

Took me several hours to find this issue

Environment

none

To Reproduce

Upgrade Traefik to 3.6

Expected Behavior

.

Originally created by @standadHD on GitHub (Nov 12, 2025). Original GitHub issue: https://github.com/fosrl/pangolin/issues/1852 ### Describe the Bug Just for your information, if you ran in the same problem like me. I updated the whole pangolin stack to the newest versions including Traefik. After that, all my UDP forwards didnt work anymore. As you can see here: https://github.com/traefik/traefik/issues/12251 it seems like a bug. So if you update pangalon, dont update Traefik to 3.6 if you want to use UDP forwarding! Took me several hours to find this issue ### Environment none ### To Reproduce Upgrade Traefik to 3.6 ### Expected Behavior .
GiteaMirror commented 2026-06-15 09:20:57 -05:00
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@Lokowitz commented on GitHub (Nov 14, 2025):

This is fixed in 3.6.1 https://github.com/traefik/traefik/pull/12267

<!-- gh-comment-id:3532862635 --> @Lokowitz commented on GitHub (Nov 14, 2025): This is fixed in 3.6.1 https://github.com/traefik/traefik/pull/12267
GiteaMirror commented 2026-06-15 09:20:58 -05:00
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@oschwartz10612 commented on GitHub (Nov 14, 2025):

Thanks @Lokowitz

<!-- gh-comment-id:3533211663 --> @oschwartz10612 commented on GitHub (Nov 14, 2025): Thanks @Lokowitz
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Reference: github-starred/pangolin#32093
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