Cisco ASA VPN Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The Cisco ASA remote access VPN server must be configured to use a FIPS-validated algorithm and hash function to protect the integrity of TLS remote access sessions.
<VulnDiscussion>Without integrity protection, unauthorized changes may be made to the log files and reliable forensic analysis and discovery ...Rule Medium Severity -
SRG-NET-000234-VPN-000810
<GroupDescription></GroupDescription>Group -
The Cisco ASA remote access VPN server must be configured to generate unique session identifiers using a FIPS-validated Random Number Generator (RNG) based on the Deterministic Random Bit Generators (DRBG) algorithm.
<VulnDiscussion>Both IPsec and TLS gateways use the RNG to strengthen the security of the protocols. Using a weak RNG will weaken the protoco...Rule Medium Severity -
SRG-NET-000063-VPN-000220
<GroupDescription></GroupDescription>Group -
The Cisco ASA remote access VPN server must be configured to use SHA-2 at 384 bits or greater for hashing to protect the integrity of IPsec remote access sessions.
<VulnDiscussion>Without strong cryptographic integrity protections, information can be altered by unauthorized users without detection. SHA-...Rule Medium Severity -
SRG-NET-000317-VPN-001090
<GroupDescription></GroupDescription>Group -
The Cisco VPN remote access server must be configured to use AES256 or greater encryption for the Internet Key Exchange (IKE) Phase 1 to protect confidentiality of remote access sessions.
<VulnDiscussion>Without confidentiality protection mechanisms, unauthorized individuals may gain access to sensitive information via a remote...Rule High Severity -
SRG-NET-000525-VPN-002330
<GroupDescription></GroupDescription>Group -
The Cisco ASA VPN remote access server must be configured to use AES256 or greater encryption for the IPsec security association to protect the confidentiality of remote access sessions.
<VulnDiscussion>Without confidentiality protection mechanisms, unauthorized individuals may gain access to sensitive information via a remote...Rule High Severity -
SRG-NET-000341-VPN-001350
<GroupDescription></GroupDescription>Group
Node 2
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