# Global Proxy Settings Constants Constants for keys in the global proxy settings dictionary returned by [`CFNetworkCopySystemProxySettings()`](/documentation/CFNetwork/CFNetworkCopySystemProxySettings()). ## Topics ### Constants [`kCFNetworkProxiesExceptionsList`](/documentation/CFNetwork/kCFNetworkProxiesExceptionsList) Value is a `CFArray` of `CFString` objects indicating host name patterns that should bypass the proxy. [`kCFNetworkProxiesExcludeSimpleHostnames`](/documentation/CFNetwork/kCFNetworkProxiesExcludeSimpleHostnames) Value is a `CFNumber` object indicating whether simple host names are excluded. Simple host names are excluded if the key is present and the associated value is nonzero. [`kCFNetworkProxiesFTPEnable`](/documentation/CFNetwork/kCFNetworkProxiesFTPEnable) Value is a `CFNumber` object indicating whether an FTP proxy is enabled. The proxy is enabled if the key is present and the associated value is nonzero. [`kCFNetworkProxiesFTPPassive`](/documentation/CFNetwork/kCFNetworkProxiesFTPPassive) Value is a `CFNumber` object indicating whether an FTP proxy’s passive mode is enabled. The passive mode is enabled if the key is present and the associated value is nonzero. [`kCFNetworkProxiesFTPPort`](/documentation/CFNetwork/kCFNetworkProxiesFTPPort) Value is a `CFNumber` object indicating the port number of an FTP proxy. [`kCFNetworkProxiesFTPProxy`](/documentation/CFNetwork/kCFNetworkProxiesFTPProxy) Value is a `CFString` object indicating the host name or IP number of an FTP proxy. [`kCFNetworkProxiesGopherEnable`](/documentation/CFNetwork/kCFNetworkProxiesGopherEnable) Value is a `CFNumber` object indicating whether a gopher proxy is enabled. The proxy is enabled if the key is present and the associated value is nonzero. [`kCFNetworkProxiesGopherPort`](/documentation/CFNetwork/kCFNetworkProxiesGopherPort) Value is a `CFNumber` indicating the port number of a gopher proxy. [`kCFNetworkProxiesGopherProxy`](/documentation/CFNetwork/kCFNetworkProxiesGopherProxy) Value is a `CFString` object indicating the host name or IP number of a gopher proxy. [`kCFNetworkProxiesHTTPEnable`](/documentation/CFNetwork/kCFNetworkProxiesHTTPEnable) Value is a `CFNumber` object indicating whether an HTTP proxy is enabled. The proxy is enabled if the key is present and the associated value is nonzero. [`kCFNetworkProxiesHTTPPort`](/documentation/CFNetwork/kCFNetworkProxiesHTTPPort) Value is a `CFNumber` object containing the port number associated with the HTTP proxy. [`kCFNetworkProxiesHTTPProxy`](/documentation/CFNetwork/kCFNetworkProxiesHTTPProxy) Value is a `CFString` object containing the HTTP proxy host name or IP number. [`kCFNetworkProxiesHTTPSEnable`](/documentation/CFNetwork/kCFNetworkProxiesHTTPSEnable) Value is a `CFNumber` object indicating whether an HTTPS proxy is enabled. The proxy is enabled if the key is present and the associated value is nonzero. [`kCFNetworkProxiesHTTPSPort`](/documentation/CFNetwork/kCFNetworkProxiesHTTPSPort) Value is a `CFNumber` object containing the port number associated with the HTTPS proxy. [`kCFNetworkProxiesHTTPSProxy`](/documentation/CFNetwork/kCFNetworkProxiesHTTPSProxy) Value is a `CFString` object containing the HTTPS proxy host name or IP number. [`kCFNetworkProxiesRTSPEnable`](/documentation/CFNetwork/kCFNetworkProxiesRTSPEnable) Value is a `CFNumber` object indicating whether an RTSP proxy is enabled. The proxy is enabled if the key is present and the associated value is nonzero. [`kCFNetworkProxiesRTSPPort`](/documentation/CFNetwork/kCFNetworkProxiesRTSPPort) Value is a `CFNumber` object containing the port number associated with the RTSP proxy. [`kCFNetworkProxiesRTSPProxy`](/documentation/CFNetwork/kCFNetworkProxiesRTSPProxy) Value is a `CFString` object containing the RTSP proxy host name or IP number. [`kCFNetworkProxiesSOCKSEnable`](/documentation/CFNetwork/kCFNetworkProxiesSOCKSEnable) Value is a `CFNumber` object indicating whether a SOCKS proxy is enabled. The proxy is enabled if the key is present and the associated value is nonzero. [`kCFNetworkProxiesSOCKSPort`](/documentation/CFNetwork/kCFNetworkProxiesSOCKSPort) Value is a `CFNumber` object containing the port number associated with the SOCKS proxy. [`kCFNetworkProxiesSOCKSProxy`](/documentation/CFNetwork/kCFNetworkProxiesSOCKSProxy) Value is a `CFString` object containing the SOCKS proxy host name or IP number. [`kCFNetworkProxiesProxyAutoConfigEnable`](/documentation/CFNetwork/kCFNetworkProxiesProxyAutoConfigEnable) Value is a `CFNumber` object indicating whether proxy autoconfiguration is enabled. Proxy autoconfiguration is enabled if the key is present and the associated value is nonzero. [`kCFNetworkProxiesProxyAutoConfigJavaScript`](/documentation/CFNetwork/kCFNetworkProxiesProxyAutoConfigJavaScript) Value is a `CFString` object that contains the full JavaScript source of the ProxyAutoConfig (PAC) file. [`kCFNetworkProxiesProxyAutoConfigURLString`](/documentation/CFNetwork/kCFNetworkProxiesProxyAutoConfigURLString) Value is a `CFString` object that contains the URL of the proxy autoconfiguration (PAC) file. [`kCFNetworkProxiesProxyAutoDiscoveryEnable`](/documentation/CFNetwork/kCFNetworkProxiesProxyAutoDiscoveryEnable) Value is a `CFNumber` object indicating whether proxy autodiscovery is enabled. Proxy autodiscovery is enabled if the key is present and the associated value is nonzero. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)