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open-vault/changelog/13540.txt

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Add support for PROXY protocol v2 in TCP listener (#13540) * Add support for PROXY protocol v2 in TCP listener I did not find tests for this so I added one trying to cover different configurations to make sure I did not break something. As far as I know, the behavior should be exactly the same as before except for one thing when proxy_protocol_behavior is set to "deny_unauthorized", unauthorized requests were previously silently reject because of https://github.com/armon/go-proxyproto/blob/7e956b284f0a/protocol.go#L81-L84 but it will now be logged. Also fixes https://github.com/hashicorp/vault/issues/9462 by adding support for `PROXY UNKNOWN` for PROXY protocol v1. Closes https://github.com/hashicorp/vault/issues/3807 * Add changelog
2022-03-08 17:13:00 +00:00
```release-note:improvement
core: Vault now supports the PROXY protocol v2. Support for UNKNOWN connections
has also been added to the PROXY protocol v1.
```