Reopen #3927: codex auth login fails with "Port 127.0.0.1:1455 is already in use" on WSL
Open 💬 0 comments Opened Apr 9, 2026 by kettleofketchup
What version of the Codex App are you using (From “About Codex” dialog)?
latest
What subscription do you have?
pro
What platform is your computer?
_No response_
What issue are you seeing?
The issue is still present for people using wsl2 not in NAT mode. Port 1455.
What steps can reproduce the bug?
using the app
What is the expected behavior?
_No response_
Additional information
Please provide options to use other ports rather than forcing users to use nat networking mode for wsl2. That can't be a meaningful solution, as there are legitimate reasons to have networking mode not in NAT.