Sun Network Discovery - IP Protocol
This page provides IP protocol information on the Sun Network Discovery IP protocol (SUN-ND) detected by the Netify DPI engine. Please see the IP protocol catalog for information on other IP protocols.
The Sun Network Discovery Protocol is a temporary network protocol developed by Sun Microsystems for its early networked workstation systems.
IP Protocol Details
- Name
- Sun Network Discovery
- Abbreviation
- SUN-ND
- Status
- Inactive
- IANA Number
- 77
- IANA Keyword
- SUN-ND
- Network Policy
- Drop
- Reference
- Sun Network Discovery
IP Protocol Status - Inactive
Sun Network Discovery is a 1980s-era, explicitly temporary Sun Microsystems protocol, and is historical, with no modern deployment.
IP Protocol Network Policy
IP protocol #77 - Sun Network Discovery - 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.