---
title: kCFProxyPortNumberKey
framework: cfnetwork
role: symbol
role_heading: Global Variable
path: cfnetwork/kcfproxyportnumberkey
---

# kCFProxyPortNumberKey

## Declaration

```swift
let kCFProxyPortNumberKey: CFString
```

## Discussion

Discussion A CFNumber value specifying the port that should be used to contact the proxy.

## See Also

### Constants

- [kCFProxyAutoConfigurationHTTPResponseKey](cfnetwork/kcfproxyautoconfigurationhttpresponsekey.md)
- [kCFProxyAutoConfigurationJavaScriptKey](cfnetwork/kcfproxyautoconfigurationjavascriptkey.md)
- [kCFProxyAutoConfigurationURLKey](cfnetwork/kcfproxyautoconfigurationurlkey.md)
- [kCFProxyHostNameKey](cfnetwork/kcfproxyhostnamekey.md)
- [kCFProxyPasswordKey](cfnetwork/kcfproxypasswordkey.md)
- [kCFProxyTypeKey](cfnetwork/kcfproxytypekey.md)
- [kCFProxyUsernameKey](cfnetwork/kcfproxyusernamekey.md)