ProtocolFamily | CF 1.0, serializable | System.Net.Sockets (system.dll) | enum | This enumeration contains settings for the protocol family of a socket. public enum ProtocolFamily { Unspecified = 0 , Unix = 1 , InterNetwork = 2 , ImpLink = 3 , Pup = 4 , Chaos = 5 , Ipx = 6 , NS = 6 , Iso = 7 , Osi = 7 , Ecma = 8 , DataKit = 9 , Ccitt = 10 , Sna = 11 , DecNet = 12 , DataLink = 13 , Lat = 14 , HyperChannel = 15 , AppleTalk = 16 , NetBios = 17 , VoiceView = 18 , FireFox = 19 , Banyan = 21 , Atm = 22 , InterNetworkV6 = 23 , Cluster = 24 , Ieee12844 = 25 , Irda = 26 , NetworkDesigners = 28 , Max = 29 , Unknown = -1 } Hierarchy System.Object System.ValueType System.Enum(System.IComparable , System.IFormattable , System.IConvertible) ProtocolFamily |