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Juniper SRX Services Gateway VPN Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-NET-000517

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  • The Juniper SRX Services Gateway VPN must renegotiate the IPsec security association after 8 hours or less.

    &lt;VulnDiscussion&gt;The IPsec SA and its corresponding key will expire either after the number of seconds or amount of traffic volume has exceede...
    Rule Medium Severity
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  • SRG-NET-000517

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  • SRG-NET-000132

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  • SRG-NET-000213

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  • The Juniper SRX Services Gateway VPN must renegotiate the IKE security association after 24 hours or less.

    &lt;VulnDiscussion&gt;When a VPN gateway creates an IPsec Security Association (SA), resources must be allocated to maintain the SA. These resource...
    Rule Medium Severity
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  • SRG-NET-000061

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  • The Juniper SRX Services Gateway VPN device also fulfills the role of IDPS in the architecture, the device must inspect the VPN traffic in compliance with DoD IDPS requirements.

    &lt;VulnDiscussion&gt;Remote access devices, such as those providing remote access to network devices and information systems, which lack automated...
    Rule Medium Severity
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  • SRG-NET-000062

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  • The Juniper SRX Services Gateway VPN must use AES encryption for the IPsec proposal to protect the confidentiality of remote access sessions.

    &lt;VulnDiscussion&gt;Without confidentiality protection mechanisms, unauthorized individuals may gain access to sensitive information via a remote...
    Rule High Severity
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  • SRG-NET-000062

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  • The Juniper SRX Services Gateway VPN must use AES encryption for the Internet Key Exchange (IKE) proposal to protect the confidentiality of remote access sessions.

    &lt;VulnDiscussion&gt;Without confidentiality protection mechanisms, unauthorized individuals may gain access to sensitive information via a remote...
    Rule High Severity
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  • SRG-NET-000062

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  • The Juniper SRX Services Gateway VPN must implement a FIPS-140-2 validated Diffie-Hellman (DH) group.

    &lt;VulnDiscussion&gt; Use of an approved DH algorithm ensures the Internet Key Exchange (IKE) (phase 1) proposal uses FIPS-validated key managemen...
    Rule Medium Severity
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  • SRG-NET-000063

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  • The Juniper SRX Services Gateway VPN must be configured to use IPsec with SHA1 or greater to negotiate hashing to protect the integrity of remote access sessions.

    &lt;VulnDiscussion&gt;Without strong cryptographic integrity protections, information can be altered by unauthorized users without detection. Rem...
    Rule Medium Severity
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  • SRG-NET-000019

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  • The Juniper SRX Services Gateway VPN must ensure inbound and outbound traffic is configured with a security policy in compliance with information flow control policies.

    &lt;VulnDiscussion&gt;Remote access devices, such as those providing remote access to network devices and information systems, which lack automated...
    Rule Medium Severity
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  • SRG-NET-000512

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  • The Juniper SRX Services Gateway VPN must use Internet Key Exchange (IKE) for IPsec VPN Security Associations (SAs).

    &lt;VulnDiscussion&gt;Without IKE, the SPI is manually specified for each security association. IKE peers will negotiate the encryption algorithm a...
    Rule High Severity
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  • SRG-NET-000512

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  • If IDPS inspection is performed separately from the Juniper SRX Services Gateway VPN device, the VPN must route sessions to an IDPS for inspection.

    &lt;VulnDiscussion&gt;Remote access devices, such as those providing remote access to network devices and information systems, which lack automated...
    Rule Medium Severity
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  • SRG-NET-000512

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  • The Juniper SRX Services Gateway VPN must not accept certificates that have been revoked when using PKI for authentication.

    &lt;VulnDiscussion&gt;Situations may arise in which the certificate issued by a Certificate Authority (CA) may need to be revoked before the lifeti...
    Rule High Severity
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  • SRG-NET-000512

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  • The Juniper SRX Services Gateway VPN must specify Perfect Forward Secrecy (PFS).

    &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
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  • SRG-NET-000512

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  • The Juniper SRX Services Gateway VPN must use Encapsulating Security Payload (ESP) in tunnel mode.

    &lt;VulnDiscussion&gt;ESP provides confidentiality, data origin authentication, integrity, and anti-replay services within the IPsec suite of proto...
    Rule Medium Severity
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  • SRG-NET-000131

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  • The Juniper SRX Services Gateway must disable or remove unnecessary network services and functions that are not used as part of its role in the architecture.

    &lt;VulnDiscussion&gt;Network devices are capable of providing a wide variety of functions (capabilities or processes) and services. Some of these ...
    Rule Medium Severity
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  • SRG-NET-000132

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  • The Juniper SRX Services Gateway VPN must use IKEv2 for IPsec VPN security associations.

    &lt;VulnDiscussion&gt;Use of IKEv2 leverages DoS protections because of improved bandwidth management and leverages more secure encryption algorith...
    Rule Medium Severity
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  • The Juniper SRX Services Gateway VPN must be configured to prohibit or restrict the use of functions, ports, protocols, and/or services, as defined in the PPSM CAL and vulnerability assessments.

    &lt;VulnDiscussion&gt;In order to prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e....
    Rule Medium Severity
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  • SRG-NET-000138

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  • The Juniper SRX Services Gateway VPN must uniquely identify and authenticate organizational users (or processes acting on behalf of organizational users).

    &lt;VulnDiscussion&gt;To assure accountability and prevent unauthenticated access, organizational users must be identified and authenticated to pre...
    Rule Medium Severity
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  • SRG-NET-000140

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  • The Juniper SRX Services Gateway VPN must use multifactor authentication (e.g., DoD PKI) for network access to non-privileged accounts.

    &lt;VulnDiscussion&gt;To assure accountability and prevent unauthenticated access, non-privileged users must utilize multifactor authentication to ...
    Rule High Severity
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  • SRG-NET-000168

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  • The Juniper SRX Services Gateway VPN must use FIPS 140-2 compliant mechanisms for authentication to a cryptographic module.

    &lt;VulnDiscussion&gt;Unapproved mechanisms that are used for authentication to the cryptographic module are not verified, and therefore cannot be ...
    Rule Medium Severity
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  • SRG-NET-000169

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  • The Juniper SRX Services Gateway VPN must uniquely identify and authenticate non-organizational users (or processes acting on behalf of non-organizational users).

    &lt;VulnDiscussion&gt;Lack of authentication and identification enables non-organizational users to gain access to the network or possibly a networ...
    Rule Medium Severity
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  • The Juniper SRX Services Gateway VPN must terminate all network connections associated with a communications session at the end of the session.

    &lt;VulnDiscussion&gt;Idle TCP sessions can be susceptible to unauthorized access and hijacking attacks. By default, routers do not continually tes...
    Rule Low Severity
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  • SRG-NET-000352

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  • The Juniper SRX Services Gateway VPN Internet Key Exchange (IKE) must use cryptography that is compliant with Suite B parameters when transporting classified traffic across an unclassified network.

    &lt;VulnDiscussion&gt;Use of weak or untested encryption algorithms undermines the purposes of utilizing encryption to protect data. The network el...
    Rule High Severity
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  • SRG-NET-000510

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  • The Juniper SRX Services Gateway VPN IKE must use NIST FIPS-validated cryptography to implement encryption services for unclassified VPN traffic.

    &lt;VulnDiscussion&gt;Use of weak or untested encryption algorithms undermines the purposes of utilizing encryption to protect data. The network el...
    Rule Medium Severity
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  • SRG-NET-000230

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  • The Juniper SRX Services Gateway VPN must configure Internet Key Exchange (IKE) with SHA1 or greater to protect the authenticity of communications sessions.

    &lt;VulnDiscussion&gt;Authenticity protection provides protection against man-in-the-middle attacks/session hijacking and the insertion of false in...
    Rule High Severity
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  • SRG-NET-000355

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  • The Juniper SRX Services Gateway VPN must only allow the use of DoD PKI established certificate authorities for verification of the establishment of protected sessions.

    &lt;VulnDiscussion&gt;Untrusted certificate authorities (CA) can issue certificates, but they may be issued by organizations or individuals that se...
    Rule Medium Severity
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