ProtocolType Enum
Definition
Important
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Specifies the protocols that the Socket class supports.
public enum class ProtocolTypepublic enum ProtocolTypetype ProtocolType = Public Enum ProtocolType- Inheritance
Fields
| Name | Value | Description |
|---|---|---|
| Unknown | -1 | Unknown protocol. |
| IP | 0 | Internet Protocol. |
| IPv6HopByHopOptions | 0 | IPv6 Hop by Hop Options header. |
| Unspecified | 0 | Unspecified protocol. |
| Icmp | 1 | Internet Control Message Protocol. |
| Igmp | 2 | Internet Group Management Protocol. |
| Ggp | 3 | Gateway To Gateway Protocol. |
| IPv4 | 4 | Internet Protocol version 4. |
| Tcp | 6 | Transmission Control Protocol. |
| Pup | 12 | PARC Universal Packet Protocol. |
| Udp | 17 | User Datagram Protocol. |
| Idp | 22 | Internet Datagram Protocol. |
| IPv6 | 41 | Internet Protocol version 6 (IPv6). |
| IPv6RoutingHeader | 43 | IPv6 Routing header. |
| IPv6FragmentHeader | 44 | IPv6 Fragment header. |
| IPSecEncapsulatingSecurityPayload | 50 | IPv6 Encapsulating Security Payload header. |
| IPSecAuthenticationHeader | 51 | IPv6 Authentication header. For details, see RFC 2292 section 2.2.1, available at https://www.ietf.org. |
| IcmpV6 | 58 | Internet Control Message Protocol for IPv6. |
| IPv6NoNextHeader | 59 | IPv6 No next header. |
| IPv6DestinationOptions | 60 | IPv6 Destination Options header. |
| ND | 77 | Net Disk Protocol (unofficial). |
| Raw | 255 | Raw IP packet protocol. |
| Ipx | 1000 | Internet Packet Exchange Protocol. |
| Spx | 1256 | Sequenced Packet Exchange protocol. |
| SpxII | 1257 | Sequenced Packet Exchange version 2 protocol. |
Remarks
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.
