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ProtocolType Enumeration

Specifies the protocols that the Socket class supports.

Namespace:  System.Net.Sockets
Assembly:  System (in System.dll)

type ProtocolType

Member nameDescription
GgpGateway To Gateway Protocol.
IcmpInternet Control Message Protocol.
IcmpV6Internet Control Message Protocol for IPv6.
IdpInternet Datagram Protocol.
IgmpInternet Group Management Protocol.
IPInternet Protocol.
IPSecAuthenticationHeaderIPv6 Authentication header. For details, see RFC 2292 section 2.2.1, available at http://www.ietf.org.
IPSecEncapsulatingSecurityPayloadIPv6 Encapsulating Security Payload header.
IPv4Internet Protocol version 4.
IPv6Internet Protocol version 6 (IPv6).
IPv6DestinationOptionsIPv6 Destination Options header.
IPv6FragmentHeaderIPv6 Fragment header.
IPv6HopByHopOptionsIPv6 Hop by Hop Options header.
IPv6NoNextHeaderIPv6 No next header.
IPv6RoutingHeaderIPv6 Routing header.
IpxInternet Packet Exchange Protocol.
NDNet Disk Protocol (unofficial).
PupPARC Universal Packet Protocol.
RawRaw IP packet protocol.
SpxSequenced Packet Exchange protocol.
SpxIISequenced Packet Exchange version 2 protocol.
TcpTransmission Control Protocol.
UdpUser Datagram Protocol.
UnknownUnknown protocol.
UnspecifiedUnspecified protocol.

The Socket class uses the ProtocolType enumeration to inform the Windows Sockets API of the requested protocol. Low-level driver software for the requested protocol must be present on the computer for the Socket to be created successfully.

The following example demonstrates how to use ProtocolType to instantiate a Socket.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone 8, Silverlight 8.1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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