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# NSURLProtectionSpace proxy types

These constants describe the supported proxy types used in [`init(proxyHost:port:type:realm:authenticationMethod:)`](/documentation/Foundation/URLProtectionSpace/init(proxyHost:port:type:realm:authenticationMethod:)) and returned by [`proxyType`](/documentation/Foundation/URLProtectionSpace/proxyType).

## Topics

### Proxy types

[`NSURLProtectionSpaceHTTPProxy`](/documentation/Foundation/NSURLProtectionSpaceHTTPProxy)

The proxy type for HTTP proxies.

[`NSURLProtectionSpaceHTTPSProxy`](/documentation/Foundation/NSURLProtectionSpaceHTTPSProxy)

The proxy type for HTTPS proxies.

[`NSURLProtectionSpaceFTPProxy`](/documentation/Foundation/NSURLProtectionSpaceFTPProxy)

The proxy type for FTP proxies.

[`NSURLProtectionSpaceSOCKSProxy`](/documentation/Foundation/NSURLProtectionSpaceSOCKSProxy)

The proxy type for SOCKS proxies.


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