Schedule Transfer Protocol

This page provides IP protocol information on the Schedule Transfer Protocol (STP) detected by the Netify DPI engine. Please see the IP protocol catalog for information on other IP protocols.

STP is the Schedule Transfer Protocol, proposed for exchanging scheduling information between networked systems (not the Ethernet Spanning Tree Protocol).

IP Protocol Details

Name
Schedule Transfer Protocol
Abbreviation
STP
Status
Inactive
IANA Number
118
IANA Keyword
STP
Network Policy
Drop

IP Protocol Status - Inactive

STP is a little-documented protocol registration, and is historical, with no known modern deployment.

IP Protocol Network Policy

IP protocol #118 - Schedule Transfer 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.