III - Administrative Sensitive
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000018
Group -
The IDPS must enforce approved authorizations by restricting or blocking the flow of harmful or suspicious communications traffic within the network as defined in the PPSM CAL and vulnerability assessments.
The flow of all communications traffic must be monitored and controlled so it does not introduce any unacceptable risk to the network infrastructure or data. Restricting the flow of communications...Rule Medium Severity -
SRG-NET-000019
Group -
The IDPS must restrict or block harmful or suspicious communications traffic between interconnected networks based on attribute- and content-based inspection of the source, destination, headers, and/or content of the communications traffic.
The IDPS enforces approved authorizations by controlling the flow of information between interconnected networks to prevent harmful or suspicious traffic does spread to these interconnected network...Rule Medium Severity -
SRG-NET-000019
Group -
The IDPS must immediately use updates made to policy filters, rules, signatures, and anomaly analysis algorithms for traffic detection and prevention functions.
Information flow policies regarding dynamic information flow control include, for example, allowing or disallowing information flows based on changes to the PPSM CAL, vulnerability assessments, or ...Rule Medium Severity -
SRG-NET-000074
Group -
The IDPS must produce audit records containing sufficient information to establish what type of event occurred, including, at a minimum, event descriptions, policy filter, rule or signature invoked, port, protocol, and criticality level/alert code or description.
Without establishing what type of event occurred, it would be difficult to establish, correlate, and investigate the events leading up to an outage or attack. Associating an event type with each ev...Rule Medium Severity -
SRG-NET-000075
Group -
The IDPS must produce audit records containing information to establish when (date and time) the events occurred.
Without establishing the time (date/time) an event occurred, it would be difficult to establish, correlate, and investigate the events leading up to an outage or attack. Associating the date and ti...Rule Medium Severity -
SRG-NET-000076
Group -
The IDPS must produce audit records containing information to establish where the event was detected, including, at a minimum, network segment, destination address, and IDPS component which detected the event.
Associating where the event was detected with the event log entries provides a means of investigating an attack or identifying an improperly configured IDPS. This information can be used to determi...Rule Medium Severity -
SRG-NET-000077
Group -
The IDPS must produce audit records containing information to establish the source of the event, including, at a minimum, originating source address.
Associating the source of the event with detected events in the logs provides a means of investigating an attack or suspected attack. While auditing and logging are closely related, they are not t...Rule Medium Severity -
SRG-NET-000078
Group -
The IDPS must produce audit records containing information to establish the outcome of events associated with detected harmful or potentially harmful traffic, including, at a minimum, capturing all associated communications traffic.
Associating event outcome with detected events in the log provides a means of investigating an attack or suspected attack. While auditing and logging are closely related, they are not the same. Lo...Rule Medium Severity -
SRG-NET-000091
Group -
The IDPS must provide log information in a format that can be extracted and used by centralized analysis tools.
Centralized review and analysis of log records from multiple IDPS components gives the organization the capability to better detect distributed attacks and provides increased data points for behavi...Rule Medium Severity -
SRG-NET-000113
Group -
The IDPS must provide audit record generation capability for detection events based on implementation of policy filters, rules, signatures, and anomaly analysis.
Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events relating to an incident, or identify those responsible for one. While au...Rule Medium Severity
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