Initial Checks

• I confirm this was discussed, and the maintainers suggest I open an issue.
• I'm aware that if I created this issue without a discussion, it may be closed without a response.

Discussion Link

https://github.com/Kludex/uvicorn/discussions/2502

It was opened over a year ago, but it was ignored.

Description

The code currently ignores any ports provided in X-Forwarded-For and appends ":0":

Resulting entries like:

1.1.1.1:1024:0

Example Code

Python, Uvicorn & OS Version

Running uvicorn 0.40.0 with CPython 3.12.11 on Darwin