Xerox NS IDP - IP Protocol
This page provides IP protocol information on the Xerox NS IDP IP protocol (XNS-IDP) detected by the Netify DPI engine. Please see the IP protocol catalog for information on other IP protocols.
XNS-IDP is the Internet Datagram Protocol, the core network-layer datagram service of Xerox Network Systems (XNS), an early influential corporate networking suite.
IP Protocol Details
- Name
- Xerox NS IDP
- Abbreviation
- XNS-IDP
- Status
- Inactive
- IANA Number
- 22
- IANA Keyword
- XNS-IDP
- Network Policy
- Drop
- Reference
- Xerox NS IDP
IP Protocol Status - Inactive
XNS-IDP was developed by Xerox starting around 1980 and widely used in Novell NetWare and other 1980s-90s LANs, and has been obsolete since TCP/IP became dominant.
IP Protocol Network Policy
IP protocol #22 - Xerox NS IDP - is typically dropped by edge routers and firewalls. Advanced threat actors and malware families can use these non-standard IP protocol numbers for lateral movement (east-west communication) inside internal networks.