D-II Data Exchange (DDX) - IP Protocol

This page provides IP protocol information on the D-II Data Exchange (DDX) IP protocol (DDX) detected by the Netify DPI engine. Please see the IP protocol catalog for information on other IP protocols.

DDX is D-II Data Exchange, a protocol developed to support data exchange within the U.S. military's Defense Data Network (Phase II) infrastructure.

IP Protocol Details

Name
D-II Data Exchange (DDX)
Abbreviation
DDX
Status
Inactive
IANA Number
116
IANA Keyword
DDX
Network Policy
Drop

IP Protocol Status - Inactive

DDX is a defense-network protocol from the 1990s, and is historical, tied to network infrastructure long since replaced.

IP Protocol Network Policy

IP protocol #116 - D-II Data Exchange (DDX) - 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.