DESCRIPTION LAST UPDATED: 2025-09-04
DEFAULT SEVERITY LEVEL: INFO
This report identifies hosts that have an accessible ISAKMP service on the Internet on port 500/UDP. From Wikipedia: Internet Security Association and Key Management Protocol (ISAKMP) is a protocol defined by RFC 2408 for establishing security association (SA) and cryptographic keys in an Internet environment.
The purpose of the report is informational only and for awareness.
You can track currently accessible ISAKMP services on our Dashboard.
For more information on our scanning efforts, check out our Internet scanning summary page.
This report has an IPv4 and IPv6 version.
Filename(s): population_isakmp, population6_isakmp.