Leaf-1 Protocol

This page provides IP protocol information on the Leaf-1 Protocol (LEAF-1) detected by the Netify DPI engine. Please see the IP protocol catalog for information on other IP protocols.

Leaf-1 is a protocol used for leaf-node (edge) signaling in the same family of early experimental packet-switched network research as Trunk-1/2.

IP Protocol Details

Name
Leaf-1 Protocol
Abbreviation
LEAF-1
Status
Inactive
IANA Number
25
IANA Keyword
LEAF-1
Network Policy
Drop
Reference
Leaf-1 Protocol

IP Protocol Status - Inactive

Leaf-1 is a little-documented early network protocol, and is historical, with no known current use.

IP Protocol Network Policy

IP protocol #25 - Leaf-1 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.