IBM DataPower ALG Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
The DataPower Gateway must have ICMP responses disabled on all interfaces facing untrusted networks.
Providing too much information in error messages risks compromising the data and security of the application and system. Organizations carefully consider the structure/content of error messages. Th...Rule Medium Severity -
To protect against data mining, the DataPower Gateway providing content filtering must prevent code injection attacks from being launched against data storage objects, including, at a minimum, databases, database records, queries, and fields.
Data mining is the analysis of large quantities of data to discover patterns and is used in intelligence gathering. Failure to prevent attacks launched against organizational information from unaut...Rule Medium Severity -
To protect against data mining, the DataPower Gateway providing content filtering must prevent code injection attacks launched against application objects including, at a minimum, application URLs and application code.
Data mining is the analysis of large quantities of data to discover patterns and is used in intelligence gathering. Failure to prevent attacks launched against organizational information from unaut...Rule Medium Severity -
To protect against data mining, the DataPower Gateway providing content filtering must prevent SQL injection attacks launched against data storage objects, including, at a minimum, databases, database records, and database fields.
Data mining is the analysis of large quantities of data to discover patterns and is used in intelligence gathering. Failure to prevent attacks launched against organizational information from unaut...Rule Medium Severity -
To protect against data mining, the DataPower Gateway providing content filtering must detect code injection attacks from being launched against data storage objects, including, at a minimum, databases, database records, queries, and fields.
Data mining is the analysis of large quantities of data to discover patterns and is used in intelligence gathering. Failure to detect attacks launched against organizational databases may result in...Rule Medium Severity -
To protect against data mining, the DataPower Gateway providing content filtering must detect SQL injection attacks launched against data storage objects, including, at a minimum, databases, database records, and database fields.
Data mining is the analysis of large quantities of data to discover patterns and is used in intelligence gathering. Failure to detect attacks launched against organizational databases may result in...Rule Medium Severity -
To protect against data mining, the DataPower Gateway providing content filtering as part of its intermediary services must detect code injection attacks launched against application objects including, at a minimum, application URLs and application code.
Data mining is the analysis of large quantities of data to discover patterns and is used in intelligence gathering. Failure to detect attacks launched against organizational applications may result...Rule Medium Severity -
The DataPower Gateway providing user access control intermediary services must provide the capability for authorized users to select a user session to capture or view.
Without the capability to select a user session to capture or view, investigations into suspicious or harmful events would be hampered by the volume of information captured. The intent of this req...Rule Medium Severity -
The DataPower Gateway must be configured to support centralized management and configuration.
Without the ability to centrally manage the content captured in the audit records, identification, troubleshooting, and correlation of suspicious behavior would be difficult and could lead to a del...Rule Medium Severity -
The DataPower Gateway must off-load audit records onto a centralized log server.
Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common process in information systems with limited audit storage capacity. Th...Rule Medium Severity -
The DataPower Gateway must provide an immediate real-time alert to, at a minimum, the SCA and ISSO, of all audit failure events where the detection and/or prevention function is unable to write events to either local storage or the centralized server.
Without a real-time alert, security personnel may be unaware of an impending failure of the audit capability and system operation may be adversely affected. Alerts provide organizations with urgen...Rule Medium Severity -
The DataPower Gateway must prohibit the use of cached authenticators after an organization-defined time period.
If the cached authenticator information is out of date, the validity of the authentication information may be questionable. This requirement applies to all ALGs which may cache user authenticators...Rule Medium Severity
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