ProtocolType Enum
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Specifies the protocols that the Socket class supports.
public enum class ProtocolTypepublic enum ProtocolTypetype ProtocolType = Public Enum ProtocolType- Inheritance
Fields
| 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.
