8a474a6561
## Summary - keep hostname targets proxied by default by removing hostname suffixes from the managed `NO_PROXY` value while preserving private/link-local CIDRs - make the macOS `allow_local_binding` sandbox rules match the local socket shape used by DNS tools by allowing wildcard local binds - allow raw DNS egress to remote port 53 only when `allow_local_binding` is enabled, without opening blanket outbound network access ## Root cause Raw DNS tools do not honor `HTTP_PROXY` or `ALL_PROXY`, so the proxy-only Seatbelt policy blocked their resolver traffic before it could reach host DNS. In the affected managed config, `allow_local_binding = true`, but the existing rule only allowed `localhost:*` binds; `dig`/BIND can bind sockets in a way that needs wildcard local binding. Separately, hostname suffixes in `NO_PROXY` could force internal hostnames to resolve locally instead of through the proxy path. --------- Co-authored-by: Codex <noreply@openai.com>
npm i -g @openai/codex
or brew install --cask codex
Codex CLI is a coding agent from OpenAI that runs locally on your computer.
If you want Codex in your code editor (VS Code, Cursor, Windsurf), install in your IDE.
If you want the desktop app experience, run
codex app or visit the Codex App page.
If you are looking for the cloud-based agent from OpenAI, Codex Web, go to chatgpt.com/codex.
Quickstart
Installing and running Codex CLI
Install globally with your preferred package manager:
# Install using npm
npm install -g @openai/codex
# Install using Homebrew
brew install --cask codex
Then simply run codex to get started.
You can also go to the latest GitHub Release and download the appropriate binary for your platform.
Each GitHub Release contains many executables, but in practice, you likely want one of these:
- macOS
- Apple Silicon/arm64:
codex-aarch64-apple-darwin.tar.gz - x86_64 (older Mac hardware):
codex-x86_64-apple-darwin.tar.gz
- Apple Silicon/arm64:
- Linux
- x86_64:
codex-x86_64-unknown-linux-musl.tar.gz - arm64:
codex-aarch64-unknown-linux-musl.tar.gz
- x86_64:
Each archive contains a single entry with the platform baked into the name (e.g., codex-x86_64-unknown-linux-musl), so you likely want to rename it to codex after extracting it.
Using Codex with your ChatGPT plan
Run codex and select Sign in with ChatGPT. We recommend signing into your ChatGPT account to use Codex as part of your Plus, Pro, Business, Edu, or Enterprise plan. Learn more about what's included in your ChatGPT plan.
You can also use Codex with an API key, but this requires additional setup.
Docs
This repository is licensed under the Apache-2.0 License.