# macOS

System-wide proxy for any app honoring macOS network settings — Safari, Mail, App Store, most third-party apps.

## System Settings UI

1. **System Settings → Network → {active interface, e.g. Wi-Fi} → Details… → Proxies**.
2. Tick **Web Proxy (HTTP)** and **Secure Web Proxy (HTTPS)**.
3. For each:
   * Server: `gate.helodata.io` (or ISP IP), Port: `7777`
   * Tick **Proxy server requires password**, fill in username and password
4. **OK → Apply**.

\[screenshot: macOS Proxies pane]

See [Safari](/integrations/browsers/safari.md) for the same flow with screenshots.

## CLI tools

curl, wget, brew, npm, and most Unix tools read environment variables. Add to `~/.zshrc` or `~/.bash_profile`:

```bash
export HTTP_PROXY="http://helo_s1a2b3c4d5e-type-res-region-us:PASSWORD@gate.helodata.io:7777"
export HTTPS_PROXY="$HTTP_PROXY"
export NO_PROXY="localhost,127.0.0.1,*.local"
```

Reload shell, then `curl https://ipv4.icanhazip.com` should report a helodata IP.

To set only for the current shell, omit the `export` from rc files and run them directly.

## `networksetup` (scripted)

```bash
# Turn on
sudo networksetup -setwebproxy "Wi-Fi" gate.helodata.io 7777 on \
     "helo_s1a2b3c4d5e-type-res-region-us" "PASSWORD"
sudo networksetup -setsecurewebproxy "Wi-Fi" gate.helodata.io 7777 on \
     "helo_s1a2b3c4d5e-type-res-region-us" "PASSWORD"

# Turn off
sudo networksetup -setwebproxystate "Wi-Fi" off
sudo networksetup -setsecurewebproxystate "Wi-Fi" off
```

Replace `Wi-Fi` with your active interface name (find it via `networksetup -listallnetworkservices`).

## Per-app vs system

GUI apps honor the System Settings proxy. CLI apps honor envvars. They're two systems — make sure both are configured for unified behavior.

## Verify

```bash
curl https://ipv4.icanhazip.com
```

## Common pitfalls

* **`.local` bypass** — macOS bypasses `.local` and link-local IPs by default. Useful for Bonjour but watch your bypass list.
* **`networksetup` requires sudo** to modify proxies on a shared system.
* **Big Sur+ requires you to "Apply" in System Settings** after editing — without it the change doesn't take effect.


---

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