Juniper SRX Services Gateway NDM Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-APP-000516-NDM-000317
Group -
The Juniper SRX Services Gateway must reveal log messages or management console alerts only to the ISSO, ISSM, and SA roles).
Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an organization's operational state. Additionally, sensitive account informatio...Rule Medium Severity -
The Juniper SRX Services Gateway must limit the number of concurrent sessions to a maximum of 10 or less for remote access using SSH.
The connection-limit command limits the total number of concurrent SSH sessions. To help thwart brute force authentication attacks, the connection limit should be as restrictive as operationally pr...Rule Low Severity -
For local accounts created on the device, the Juniper SRX Services Gateway must automatically generate log records for account creation events.
Upon gaining access to a network device, an attacker will often first attempt to create a persistent method of reestablishing access. One way to accomplish this is to create a new account. Notifica...Rule Medium Severity -
For local accounts created on the device, the Juniper SRX Services Gateway must automatically generate log records for account modification events.
Upon gaining access to a network device, an attacker will often first attempt to modify existing accounts to increase/decrease privileges. Notification of account modification events help to mitiga...Rule Medium Severity -
For local accounts created on the device, the Juniper SRX Services Gateway must automatically generate log records for account disabling events.
When device management accounts are disabled, user or service accessibility may be affected. Auditing also ensures authorized, active accounts remain enabled and available for use when required. Wi...Rule Medium Severity -
For local accounts created on the device, the Juniper SRX Services Gateway must automatically generate log records for account removal events.
Auditing account removal actions will support account management procedures. When device management accounts are terminated, user or service accessibility may be affected. Auditing also ensures aut...Rule Medium Severity -
The Juniper SRX Services Gateway must enforce the assigned privilege level for each administrator and authorizations for access to all commands by assigning a login class to all AAA-authenticated users.
To mitigate the risk of unauthorized privileged access to the device, administrators must be assigned only the privileges needed to perform the tasked assigned to their roles. Although use of an ...Rule Medium Severity -
The Juniper SRX Services Gateway must generate a log event when privileged commands are executed.
Misuse of privileged functions, either intentionally or unintentionally by authorized users, or by unauthorized external entities that have compromised information system accounts, is a serious and...Rule Low Severity -
The Juniper SRX Services Gateway must display the Standard Mandatory DoD Notice and Consent Banner before granting access.
Display of the DoD-approved use notification before granting access to the network device ensures privacy and security notification verbiage used is consistent with applicable federal laws, Executi...Rule Low Severity -
The Juniper SRX Services Gateway must generate log records when successful attempts to configure the device and use commands occur.
Without generating log records, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one. While the Juniper SRX inhe...Rule Low Severity -
The Juniper SRX Services Gateway must generate log records when logon events occur.
Without generating log records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an inci...Rule Low Severity -
The Juniper SRX Services Gateway must generate log records containing the full-text recording of privileged commands.
Reconstruction of harmful events or forensic analysis is not possible if log records do not contain enough information. Organizations consider limiting the additional audit information to only th...Rule Low Severity -
For local log files, the Juniper SRX Services Gateway must allocate log storage capacity in accordance with organization-defined log record storage requirements so that the log files do not grow to a size that causes operational issues.
In order to ensure network devices have a sufficient storage capacity in which to write the logs, they need to be able to allocate audit record storage capacity. The task of allocating audit record...Rule Medium Severity -
The Juniper SRX Services Gateway must generate an immediate system alert message to the management console when a log processing failure is detected.
It is critical for the appropriate personnel to be aware if a system is at risk of failing to process logs as required. Without an immediate alert for critical system issues, security personnel may...Rule Medium Severity -
The Juniper SRX Services Gateway must implement logon roles to ensure only authorized roles are allowed to install software and updates.
Allowing anyone to install software, without explicit privileges, creates the risk that untested or potentially malicious software will be installed on the system. This requirement applies to code ...Rule Medium Severity -
The Juniper SRX Services Gateway must be configured to synchronize internal information system clocks with the primary and secondary NTP servers for the network.
The loss of connectivity to a particular authoritative time source will result in the loss of time synchronization (free-run mode) and increasingly inaccurate time stamps on log events and other fu...Rule Medium Severity -
The Juniper SRX Services Gateway must use DOD-approved PKI rather than proprietary or self-signed device certificates.
To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DOD-approved PKIs. The SRX generates a key-pair and a CSR. The CSR is sent to...Rule Medium Severity -
The Juniper SRX Services Gateway must be configured to prohibit the use of unnecessary and/or nonsecure functions, ports, protocols, and/or services, as defined in the PPSM CAL and vulnerability assessments.
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...Rule Medium Severity -
For nonlocal maintenance sessions, the Juniper SRX Services Gateway must remove or explicitly deny the use of nonsecure protocols.
If unsecured protocols (lacking cryptographic mechanisms) are used for sessions, the contents of those sessions will be susceptible to manipulation, potentially allowing alteration and hijacking of...Rule Medium Severity
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