---
title: NSURLProtectionSpace proxy types
framework: foundation
role: collectionGroup
role_heading: API Collection
path: foundation/nsurlprotectionspace-proxy-types
---

# NSURLProtectionSpace proxy types

These constants describe the supported proxy types used in init(proxyHost:port:type:realm:authenticationMethod:) and returned by proxyType.

## Topics

### Proxy types

- [NSURLProtectionSpaceHTTPProxy](foundation/nsurlprotectionspacehttpproxy.md)
- [NSURLProtectionSpaceHTTPSProxy](foundation/nsurlprotectionspacehttpsproxy.md)
- [NSURLProtectionSpaceFTPProxy](foundation/nsurlprotectionspaceftpproxy.md)
- [NSURLProtectionSpaceSOCKSProxy](foundation/nsurlprotectionspacesocksproxy.md)

## See Also

### Identifying protection space properties

- [NSURLProtectionSpace protocol types](foundation/nsurlprotectionspace-protocol-types.md)
- [NSURLProtectionSpace authentication method constants](foundation/nsurlprotectionspace-authentication-method-constants.md)