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  "title" : "Network Protocol Types"
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# Network Protocol Types

Keys that identify network protocol types.

## Topics

### Constants

[`let kSCNetworkProtocolTypeDNS: CFString`](/documentation/SystemConfiguration/kSCNetworkProtocolTypeDNS)

The DNS protocol.

[`let kSCNetworkProtocolTypeIPv4: CFString`](/documentation/SystemConfiguration/kSCNetworkProtocolTypeIPv4)

The IPv4 protocol.

[`let kSCNetworkProtocolTypeIPv6: CFString`](/documentation/SystemConfiguration/kSCNetworkProtocolTypeIPv6)

The IPv6 protocol.

[`let kSCNetworkProtocolTypeProxies: CFString`](/documentation/SystemConfiguration/kSCNetworkProtocolTypeProxies)

Protocol proxies.

[`let kSCNetworkProtocolTypeSMB: CFString`](/documentation/SystemConfiguration/kSCNetworkProtocolTypeSMB)

The SMB procotol.


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