PortMap

Port 42 🪦

Well-known
Service
name
Protocol
UDP
Status
🪦 Obsolete — no longer in active use
Description
The ARPA Host Name Server Protocol (NAMESERVER) is an obsolete network protocol used in translating a host name to an Internet address. IANA Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) port 42 for NAMESERVER; this port is more commonly used by the Windows Internet Name Service (WINS) on Microsoft operating systems.
RFC
Citations
Service
wins
Protocol
TCP
Description
Windows Internet Name Service (WINS) is a Microsoft name resolution service, introduced in 1994 with Windows NT 3.5, for translating NetBIOS names to IP addresses. NetBIOS names are an older naming convention used for local name resolution before DNS became ubiquitous.
Citations