Datagram Delivery Protocol
This page provides IP protocol information on the Datagram Delivery Protocol (DDP) detected by the Netify DPI engine. Please see the IP protocol catalog for information on other IP protocols.
DDP is the Datagram Delivery Protocol, the core best-effort network-layer protocol of Apple's AppleTalk networking suite used on classic Macintosh networks.
IP Protocol Details
- Name
- Datagram Delivery Protocol
- Abbreviation
- DDP
- Status
- Inactive
- IANA Number
- 37
- IANA Keyword
- DDP
- Network Policy
- Drop
- Reference
- Datagram Delivery Protocol
IP Protocol Status - Inactive
DDP was introduced by Apple in the mid-1980s; AppleTalk was officially discontinued in 2009 in favor of TCP/IP, and DDP is no longer in active use.
IP Protocol Network Policy
IP protocol #37 - Datagram Delivery Protocol - 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.