The 'family' property

Integer Scalar

Valid for: Socket

The family property specifies the address family of the socket. It can be one of the following values:

Value	C Name	Description
1	AF_UNIX	local to host (pipes, portals)
2	AF_INET	internetwork: UDP, TCP, etc.
3	AF_IMPLINK	arpanet imp addresses
4	AF_PUP	pup protocols: e.g. BSP
5	AF_CHAOS	mit CHAOS protocols
6	AF_NS	IPX or XEROX NS protocols
7	AF_ISO	ISO protocols
8	AF_ECMA	european computer manufacturers
9	AF_DATAKIT	datakit protocols
10	AF_CCITT	CCITT protocols, X.25 etc
11	AF_SNA	IBM SNA
12	AF_DECnet	DECnet
13	AF_DLI	Direct data link interface
14	AF_LAT	LAT
15	AF_HYLINK	NSC Hyperchannel
16	AF_APPLETALK	AppleTalk
17	AF_NETBIOS	NetBios-style addresses
18	AF_VOICEVIEW	VoiceView
19	AF_FIREFOX	Protocols from Firefox
21	AF_BAN	Banyan
22	AF_ATM	Native ATM Services
23	AF_INET6	Internetwork Version 6
24	AF_CLUSTER	Microsoft Wolfpack
25	AF_12844	IEEE 1284.4 WG AF
26	AF_IRDA	IrDA
28	AF_NETDES	Network Designers OSI & gateway enabled protocols

The default is 2, the value required for Internet protocols.