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Disable MPTCP by default

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Co-authored-by: Kevin Pollet <pollet.kevin@gmail.com>
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Romain 2025-07-22 11:10:05 +02:00 • committed by GitHub
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docs/content/migration/v2.md
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@ -703,3 +703,14 @@ and Traefik now keeps them encoded to avoid any ambiguity.
| `/foo/../bar` | PathPrefix(`/bar`) | Match | Match |
| `/foo/%2E%2E/bar` | PathPrefix(`/foo`) | Match | No match |
| `/foo/%2E%2E/bar` | PathPrefix(`/bar`) | No match | Match |
## v2.11.28
### MultiPath TCP
Since `v2.11.28`, the MultiPath TCP support introduced with `v2.11.26` has been removed.
It appears that enabling MPTCP on some platforms can cause Traefik to stop with the following error logs message:
- `set tcp X.X.X.X:X->X.X.X.X:X: setsockopt: operation not supported`
However, it can be re-enabled by setting the `multipathtcp` variable in the GODEBUG environment variable, see the related [go documentation](https://go.dev/doc/godebug#go-124).