Check Point Advisories

IKE Aggressive Exchange

Check Point Reference: CPAI-2004-15
Date Published: 1 Feb 2005
Severity: Medium
Last Updated: 5 Apr 2015
Protection Provided by:

Security Gateway
R80, R77, R75, R71, R70

Who is Vulnerable?
Vulnerability Description

Protection Overview

This protection will detect and block IKE aggressive exchanges.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update.For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R70 / R71 / R75 / R77 / R80

  1. In the IPS tab, click Protections and find the IKE Aggressive Exchange protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

This protection's log will contain the following information:.

Attack Name:  IKE Enforcement Violation .
Attack Information:  IKE Aggressive exchange packet. For users of VPN-1 NG with Application Intelligence R55, SmartView Tracker will log rule 99500.

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