Kryptolan - IP Protocol

This page provides IP protocol information on the Kryptolan IP protocol (KRYPTOLAN) detected by the Netify DPI engine. Please see the IP protocol catalog for information on other IP protocols.

KRYPTOLAN is Kryptolan, an early encryption-related network protocol registered with IANA with limited surviving public documentation.

IP Protocol Details

Name
Kryptolan
Abbreviation
KRYPTOLAN
Status
Inactive
IANA Number
65
IANA Keyword
KRYPTOLAN
Network Policy
Drop
Reference
Kryptolan

IP Protocol Status - Inactive

KRYPTOLAN is a little-documented 1980s registration, and is effectively historical, with no known current use.

IP Protocol Network Policy

IP protocol #65 - Kryptolan - 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.