The Cisco ASA must be configured to use Internet Key Exchange v2 (IKEv2) for all IPsec security associations.
An XCCDF Rule
Description
<VulnDiscussion>In order to prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embedding of data types within data types); organizations must disable or restrict unused or unnecessary physical and logical ports/protocols on information systems. Use of IKEv2 leverages DoS protections because of improved bandwidth management and leverages more secure encryption algorithms.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-239952r666262_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Configure the IPsec VPN Gateway to use IKEv2 for all IPsec VPN Security Associations.
Step 1: Configure IKE for the IPsec Phase 1 policy and enable it on applicable interfaces.
ASA1(config)# crypto ikev2 policy 1
ASA1(config-ikev2-policy)# encryption …