II - Mission Support Classified
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000018-ALG-000017
Group -
The DataPower Gateway must enforce approved authorizations for controlling the flow of information within the network based on attribute- and content-based inspection of the source, destination, headers, and/or content of the communications traffic.
Information flow control regulates where information is allowed to travel within a network. The flow of all network traffic must be monitored and controlled so it does not introduce any unacceptabl...Rule Medium Severity -
SRG-NET-000019-ALG-000018
Group -
The DataPower Gateway must restrict or block harmful or suspicious communications traffic by controlling the flow of information between interconnected networks based on attribute- and content-based inspection of the source, destination, headers, and/or content of the communications traffic.
Information flow control regulates where information is allowed to travel within a network and between interconnected networks. Blocking or restricting detected harmful or suspicious communications...Rule Medium Severity -
SRG-NET-000041-ALG-000022
Group -
The DataPower Gateway providing user access control intermediary services must display the Standard Mandatory DoD-approved Notice and Consent Banner before granting access to the network.
Display of a standardized and approved use notification before granting access to the network ensures privacy and security notification verbiage used is consistent with applicable federal laws, Exe...Rule Medium Severity -
SRG-NET-000042-ALG-000023
Group -
The DataPower Gateway providing user access control intermediary services must retain the Standard Mandatory DoD-approved Notice and Consent Banner on the screen until users acknowledge the usage conditions and take explicit actions to log on for further access.
The banner must be acknowledged by the user prior to allowing the user access to the network. This provides assurance that the user has seen the message and accepted the conditions for access. If t...Rule Medium Severity -
SRG-NET-000043-ALG-000024
Group -
The DataPower Gateway providing user access control intermediary services for publicly accessible applications must display the Standard Mandatory DoD-approved Notice and Consent Banner before granting access to the system.
Display of a standardized and approved use notification before granting access to the publicly accessible network element ensures privacy and security notification verbiage used is consistent with ...Rule Medium Severity -
SRG-NET-000062-ALG-000011
Group -
The DataPower Gateway providing intermediary services for remote access communications traffic must use encryption services that implement NIST FIPS-validated cryptography to protect the confidentiality of remote access sessions.
Without confidentiality protection mechanisms, unauthorized individuals may gain access to sensitive information via a remote access session. Remote access is access to DoD-nonpublic information s...Rule Medium Severity -
SRG-NET-000062-ALG-000092
Group -
The DataPower Gateway that stores secret or private keys must use FIPS-approved key management technology and processes in the production and control of private/secret cryptographic keys.
Private key data is used to prove that the entity presenting a public key certificate is the certificate's rightful owner. Compromise of private key data allows an adversary to impersonate the key ...Rule Medium Severity -
SRG-NET-000062-ALG-000150
Group -
The DataPower Gateway that provides intermediary services for TLS must be configured to comply with the required TLS settings in NIST SP 800-52.
SP 800-52 provides guidance on using the most secure version and configuration of the TLS/SSL protocol. Using older unauthorized versions or incorrectly configuring protocol negotiation makes the g...Rule Medium Severity -
SRG-NET-000063-ALG-000012
Group -
The DataPower Gateway providing intermediary services for remote access communications traffic must use NIST FIPS-validated cryptography to protect the integrity of remote access sessions.
Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Remote access is access to DoD-nonpublic information systems by an authorized user ...Rule Medium Severity -
SRG-NET-000088-ALG-000054
Group -
The DataPower Gateway must send an alert to, at a minimum, the ISSO and SCA when an audit processing failure occurs.
It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required. Without this notification, the security personnel may be unaware of an ...Rule Medium Severity -
SRG-NET-000098-ALG-000056
Group -
The DataPower Gateway must protect audit information from unauthorized read access.
Auditing and logging are key components of any security architecture. Logging the actions of specific events provides a means to investigate an attack, recognize resource utilization or capacity th...Rule Medium Severity -
SRG-NET-000132-ALG-000087
Group -
The DataPower Gateway 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.
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 -
SRG-NET-000138-ALG-000063
Group -
The DataPower Gateway providing user authentication intermediary services must uniquely identify and authenticate organizational users (or processes acting on behalf of organizational users).
To assure accountability and prevent unauthenticated access, organizational users must be identified and authenticated to prevent potential misuse and compromise of the system. Organizational users...Rule Medium Severity -
SRG-NET-000138-ALG-000088
Group -
The DataPower Gateway providing user access control intermediary services must be configured with a pre-established trust relationship and mechanisms with appropriate authorities (e.g., Active Directory or AAA server) which validate user account access authorizations and privileges.
User account and privilege validation must be centralized in order to prevent unauthorized access using changed or revoked privileges. ALGs can implement functions such as traffic filtering, authe...Rule Medium Severity -
SRG-NET-000138-ALG-000089
Group -
The DataPower Gateway providing user authentication intermediary services must restrict user authentication traffic to specific authentication server(s).
User authentication can be used as part of the policy filtering rule sets. Some URLs or network resources can be restricted to authenticated users only. Users are prompted by the application or bro...Rule Medium Severity -
SRG-NET-000140-ALG-000094
Group -
The DataPower Gateway providing user authentication intermediary services must use multifactor authentication for network access to non-privileged accounts.
To assure accountability and prevent unauthenticated access, non-privileged users must utilize multifactor authentication to prevent potential misuse and compromise of the system. Multifactor auth...Rule Medium Severity -
SRG-NET-000147-ALG-000095
Group -
The DataPower Gateway providing user authentication intermediary services must implement replay-resistant authentication mechanisms for network access to non-privileged accounts.
A replay attack may enable an unauthorized user to gain access to the application. Authentication sessions between the authenticator and the application validating the user credentials must not be ...Rule Medium Severity -
SRG-NET-000164-ALG-000100
Group -
The DataPower Gateway that provides intermediary services for TLS must validate certificates used for TLS functions by performing RFC 5280-compliant certification path validation.
A certificate's certification path is the path from the end entity certificate to a trusted root certification authority (CA). Certification path validation is necessary for a relying party to make...Rule Medium Severity -
SRG-NET-000166-ALG-000101
Group -
The DataPower Gateway providing PKI-based user authentication intermediary services must map authenticated identities to the user account.
Authorization for access to any network element requires an approved and assigned individual account identifier. To ensure only the assigned individual is using the account, the account must be bou...Rule Medium Severity -
SRG-NET-000169-ALG-000102
Group -
The DataPower Gateway providing user authentication intermediary services must uniquely identify and authenticate non-organizational users (or processes acting on behalf of non-organizational users).
Lack of authentication enables anyone to gain access to the network or possibly a network element that provides opportunity for intruders to compromise resources within the network infrastructure. ...Rule Medium Severity -
SRG-NET-000192-ALG-000121
Group -
The DataPower Gateway providing content filtering must not have a front side handler configured facing an internal network.
DoS attacks can take multiple forms but have the common objective of overloading or blocking a network or host to deny or seriously degrade performance. If the network does not provide safeguards a...Rule Medium Severity -
SRG-NET-000230-ALG-000113
Group -
The DataPower Gateway must protect the authenticity of communications sessions.
Authenticity protection provides protection against man-in-the-middle attacks/session hijacking and the insertion of false information into sessions. This requirement focuses on communications pro...Rule Medium Severity -
SRG-NET-000231-ALG-000114
Group -
The DataPower Gateway must invalidate session identifiers upon user logout or other session termination.
Captured sessions can be reused in "replay" attacks. This requirement limits the ability of adversaries from capturing and continuing to employ previously valid session IDs. Session IDs are tokens...Rule Medium Severity -
SRG-NET-000233-ALG-000115
Group -
The DataPower Gateway must recognize only system-generated session identifiers.
Network elements (depending on function) utilize sessions and session identifiers to control application behavior and user access. If an attacker can guess the session identifier, or can inject or ...Rule Medium Severity -
SRG-NET-000236-ALG-000119
Group -
In the event of a system failure of the DataPower Gateway function, the DataPower Gateway must save diagnostic information, log system messages, and load the most current security policies, rules, and signatures when restarted.
Failure in a secure state can address safety or security in accordance with the mission needs of the organization. Failure to a secure state helps prevent a loss of confidentiality, integrity, or a...Rule Medium Severity
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