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Cisco ASA VPN Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-NET-000512-VPN-002220

    <GroupDescription></GroupDescription>
    Group
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  • The Cisco ASA must be configured to use Internet Key Exchange (IKE) for all IPsec security associations.

    &lt;VulnDiscussion&gt;Without IKE, the Security Parameter Index (SPI) is manually specified for each security association. IKE peers will negotiate...
    Rule High Severity
    Show

  • SRG-NET-000132-VPN-000460

    <GroupDescription></GroupDescription>
    Group
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  • The Cisco ASA must be configured to use Internet Key Exchange v2 (IKEv2) for all IPsec security associations.

    &lt;VulnDiscussion&gt;In order to prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e....
    Rule Medium Severity
    Show

  • SRG-NET-000510-VPN-002180

    <GroupDescription></GroupDescription>
    Group
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  • The Cisco ASA must be configured to use NIST FIPS-validated cryptography for Internet Key Exchange (IKE) Phase 1.

    &lt;VulnDiscussion&gt;Use of weak or untested encryption algorithms undermines the purposes of utilizing encryption to protect data. The VPN gatewa...
    Rule Medium Severity
    Show

  • SRG-NET-000371-VPN-001640

    <GroupDescription></GroupDescription>
    Group
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  • The Cisco ASA must be configured to specify Perfect Forward Secrecy (PFS) for the IPsec Security Association (SA) during IKE Phase 2 negotiation.

    &lt;VulnDiscussion&gt;PFS generates each new encryption key independently from the previous key. Without PFS, compromise of one key will compromise...
    Rule Medium Severity
    Show

  • SRG-NET-000510-VPN-002160

    <GroupDescription></GroupDescription>
    Group
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  • The Cisco ASA must be configured to use a FIPS-validated cryptographic module to generate cryptographic hashes.

    &lt;VulnDiscussion&gt;FIPS 140-2/140-3 precludes the use of invalidated cryptography for the cryptographic protection of sensitive or valuable data...
    Rule Medium Severity
    Show

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