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Juniper SRX Services Gateway ALG Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-NET-000015-ALG-000016

    <GroupDescription></GroupDescription>
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  • For User Role Firewalls, the Juniper SRX Services Gateway Firewall must employ user attribute-based security policies to enforce approved authorizations for logical access to information and system resources.

    &lt;VulnDiscussion&gt;Successful authentication must not automatically give an entity access to an asset or security boundary. The lack of authoriz...
    Rule Medium Severity
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  • SRG-NET-000492-ALG-000027

    <GroupDescription></GroupDescription>
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  • The Juniper SRX Services Gateway must generate log records when firewall filters, security screens and security policies are invoked and the traffic is denied or restricted.

    &lt;VulnDiscussion&gt;Without generating log records that log usage of objects by subjects and other objects, it would be difficult to establish, c...
    Rule Medium Severity
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  • SRG-NET-000493-ALG-000028

    <GroupDescription></GroupDescription>
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  • The Juniper SRX Services Gateway Firewall must generate audit records when unsuccessful attempts to access security zones occur.

    &lt;VulnDiscussion&gt;Without generating log records that are specific to the security and mission needs of the organization, it would be difficult...
    Rule Medium Severity
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  • SRG-NET-000333-ALG-000049

    <GroupDescription></GroupDescription>
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  • The Juniper SRX Services Gateway Firewall must be configured to support centralized management and configuration of the audit log.

    &lt;VulnDiscussion&gt;Without the ability to centrally manage the content captured in the audit records, identification, troubleshooting, and corre...
    Rule Medium Severity
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  • SRG-NET-000089-ALG-000055

    <GroupDescription></GroupDescription>
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  • In the event that communications with the Syslog server is lost, the Juniper SRX Services Gateway must continue to queue traffic log records locally.

    &lt;VulnDiscussion&gt;It is critical that when the network element is at risk of failing to process audit logs as required, it take action to mitig...
    Rule Medium Severity
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  • SRG-NET-000131-ALG-000085

    <GroupDescription></GroupDescription>
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  • The Juniper SRX Services Gateway Firewall 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-000131-ALG-000086

    <GroupDescription></GroupDescription>
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  • The Juniper SRX Services Gateway Firewall must not be configured as an NTP server since providing this network service is unrelated to the role as a firewall.

    &lt;VulnDiscussion&gt;Information systems are capable of providing a wide variety of functions (capabilities or processes) and services. Some of th...
    Rule Medium Severity
    Show

  • SRG-NET-000131-ALG-000086

    <GroupDescription></GroupDescription>
    Group
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  • The Juniper SRX Services Gateway Firewall must not be configured as a DNS proxy since providing this network service is unrelated to the role as a Firewall.

    &lt;VulnDiscussion&gt;Information systems are capable of providing a wide variety of functions (capabilities or processes) and services. Some of th...
    Rule Medium Severity
    Show

  • SRG-NET-000131-ALG-000086

    <GroupDescription></GroupDescription>
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  • The Juniper SRX Services Gateway Firewall must not be configured as a DHCP server since providing this network service is unrelated to the role as a Firewall.

    &lt;VulnDiscussion&gt;Information systems are capable of providing a wide variety of functions (capabilities or processes) and services. Some of th...
    Rule Medium Severity
    Show

  • SRG-NET-000132-ALG-000087

    <GroupDescription></GroupDescription>
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  • The Juniper SRX Services Gateway Firewall must be configured to prohibit or restrict the use of unauthorized functions, ports, protocols, and/or services, as defined in the PPSM CAL, 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
    Show

  • SRG-NET-000213-ALG-000107

    <GroupDescription></GroupDescription>
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  • The Juniper SRX Services Gateway Firewall must terminate all communications sessions associated with user traffic after 15 minutes or less of inactivity.

    &lt;VulnDiscussion&gt;Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take c...
    Rule Medium Severity
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  • SRG-NET-000362-ALG-000112

    <GroupDescription></GroupDescription>
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  • The Juniper SRX Services Gateway Firewall providing content filtering must protect against known and unknown types of denial-of-service (DoS) attacks by implementing statistics-based screens.

    &lt;VulnDiscussion&gt;If the network does not provide safeguards against DoS attacks, network resources will be unavailable to users. Installation ...
    Rule High Severity
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  • SRG-NET-000362-ALG-000120

    <GroupDescription></GroupDescription>
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  • The Juniper SRX Services Gateway Firewall must implement load balancing on the perimeter firewall, at a minimum, to limit the effects of known and unknown types of denial-of-service (DoS) attacks on the network.

    &lt;VulnDiscussion&gt;If the network does not provide safeguards against DoS attacks, network resources will be unavailable to users. Load balancin...
    Rule Medium Severity
    Show

  • SRG-NET-000362-ALG-000126

    <GroupDescription></GroupDescription>
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  • The Juniper SRX Services Gateway Firewall must protect against known types of denial-of-service (DoS) attacks by implementing signature-based screens.

    &lt;VulnDiscussion&gt;If the network does not provide safeguards against DoS attacks, network resources will be unavailable to users. Installation ...
    Rule High Severity
    Show

  • SRG-NET-000192-ALG-000121

    <GroupDescription></GroupDescription>
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  • The Juniper SRX Services Gateway Firewall must block outbound traffic containing known and unknown denial-of-service (DoS) attacks to protect against the use of internal information systems to launch any DoS attacks against other networks or endpoints.

    &lt;VulnDiscussion&gt;DoS attacks can take multiple forms but have the common objective of overloading or blocking a network or host to deny or ser...
    Rule Medium Severity
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  • SRG-NET-000364-ALG-000122

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  • The Juniper SRX Services Gateway Firewall must only allow inbound communications from organization-defined authorized sources routed to organization-defined authorized destinations.

    &lt;VulnDiscussion&gt;Unrestricted traffic may contain malicious traffic which poses a threat to an enclave or to other connected networks. Additio...
    Rule Medium Severity
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  • SRG-NET-000365-ALG-000123

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  • The Juniper SRX Services Gateway Firewall must be configured to fail securely in the event of an operational failure of the firewall filtering or boundary protection function.

    &lt;VulnDiscussion&gt;If a boundary protection device fails in an unsecure manner (open), information external to the boundary protection device ma...
    Rule Medium Severity
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  • SRG-NET-000202-ALG-000124

    <GroupDescription></GroupDescription>
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  • The Juniper SRX Services Gateway Firewall must deny network communications traffic by default and allow network communications traffic by exception (i.e., deny all, permit by exception).

    &lt;VulnDiscussion&gt;A deny-all, permit-by-exception network communications traffic policy ensures that only those connections which are essential...
    Rule Medium Severity
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  • SRG-NET-000273-ALG-000129

    <GroupDescription></GroupDescription>
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  • The Juniper SRX Services Gateway Firewall must configure ICMP to meet DoD requirements.

    &lt;VulnDiscussion&gt;Providing too much information in error messages risks compromising the data and security of the application and system. Org...
    Rule Medium Severity
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  • SRG-NET-000390-ALG-000139

    <GroupDescription></GroupDescription>
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  • The Juniper SRX Services Gateway Firewall must continuously monitor all inbound communications traffic for unusual/unauthorized activities or conditions.

    &lt;VulnDiscussion&gt;If inbound communications traffic is not continuously monitored, hostile activity may not be detected and prevented. Output f...
    Rule High Severity
    Show

  • SRG-NET-000391-ALG-000140

    <GroupDescription></GroupDescription>
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  • The Juniper SRX Services Gateway Firewall must continuously monitor outbound communications traffic for unusual/unauthorized activities or conditions.

    &lt;VulnDiscussion&gt;If outbound communications traffic is not continuously monitored, hostile activity may not be detected and prevented. Output ...
    Rule High Severity
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  • SRG-NET-000392-ALG-000141

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  • The Juniper SRX Services Gateway Firewall must generate an alert to, at a minimum, the ISSO and ISSM when unusual/unauthorized activities or conditions are detected during continuous monitoring of communications traffic as it traverses inbound or outbound across internal security boundaries.

    &lt;VulnDiscussion&gt;Without an alert, security personnel may be unaware of major detection incidents that require immediate action and this delay...
    Rule Medium Severity
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  • SRG-NET-000392-ALG-000142

    <GroupDescription></GroupDescription>
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  • The Juniper SRX Services Gateway Firewall must generate an alert that can be forwarded to, at a minimum, the ISSO and ISSM when threats identified by authoritative sources are detected.

    &lt;VulnDiscussion&gt;Without an alert, security personnel may be unaware of major detection incidents that require immediate action and this delay...
    Rule Medium Severity
    Show

  • SRG-NET-000392-ALG-000148

    <GroupDescription></GroupDescription>
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  • The Juniper SRX Services Gateway Firewall must generate an alert that can be forwarded to, at a minimum, the ISSO and ISSM when DoS incidents are detected.

    &lt;VulnDiscussion&gt;Without an alert, security personnel may be unaware of major detection incidents that require immediate action and this delay...
    Rule Medium Severity
    Show

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