I - Mission Critical Classified
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000075-IDPS-00060
<GroupDescription></GroupDescription>Group -
The SMS must produce audit records containing information to establish when (date and time) the events occurred by sending all audit and system logs to a centralized syslog server.
<VulnDiscussion>Without establishing the time (date/time) an event occurred, it would be difficult to establish, correlate, and investigate t...Rule Medium Severity -
SRG-NET-000076-IDPS-00061
<GroupDescription></GroupDescription>Group -
The SMS must produce audit records containing information to establish where the event was detected, including, at a minimum, network segment, destination address, and TPS component which detected the event by sending all audit and system logs to a centralized syslog server.
<VulnDiscussion>Associating where the event was detected with the event log entries provides a means of investigating an attack or identifyin...Rule Medium Severity -
SRG-NET-000077-IDPS-00062
<GroupDescription></GroupDescription>Group -
The SMS must produce audit records containing information to establish the source of the event, including, at a minimum, originating source address by sending all audit and system logs to a centralized syslog server.
<VulnDiscussion>Associating the source of the event with detected events in the logs provides a means of investigating an attack or suspected...Rule Medium Severity -
SRG-NET-000078-IDPS-00063
<GroupDescription></GroupDescription>Group -
The SMS 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 by sending all audit and system logs to a centralized syslog server.
<VulnDiscussion>Associating event outcome with detected events in the log provides a means of investigating an attack or suspected attack. W...Rule Medium Severity -
SRG-NET-000333-IDPS-00190
<GroupDescription></GroupDescription>Group -
TPS must support centralized management and configuration of the content captured in audit records generated by all TPS components by using the Security Management System (SMS).
<VulnDiscussion>Without the ability to centrally manage the content captured in the log records, identification, troubleshooting, and correla...Rule Medium Severity -
SRG-NET-000334-IDPS-00191
<GroupDescription></GroupDescription>Group -
The TPS and SMS must off-load log records to a centralized log server.
<VulnDiscussion>Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading ensures audi...Rule Medium Severity -
SRG-NET-000089-IDPS-00010
<GroupDescription></GroupDescription>Group -
In the event of a logging failure, caused by loss of communications with the central logging server, the SMS must queue audit records locally by using the syslog over TCP protocol until communication is restored or until the audit records are retrieved manually or using automated synchronization tools.
<VulnDiscussion>It is critical that when the TPS is at risk of failing to process audit logs as required, it takes action to mitigate the fai...Rule Medium Severity -
SRG-NET-000089-IDPS-00069
<GroupDescription></GroupDescription>Group -
In the event of a logging failure caused by the lack of audit record storage capacity, the SMS must continue generating and storing audit records, overwriting the oldest audit records in a first-in-first-out manner using Audit Log maintenance.
<VulnDiscussion>It is critical that when the TPS is at risk of failing to process audit logs as required, it takes action to mitigate the fai...Rule Medium Severity -
SRG-NET-000091-IDPS-00193
<GroupDescription></GroupDescription>Group -
The SMS and TPS must provide log information in a format that can be extracted and used by centralized analysis tools.
<VulnDiscussion>Centralized review and analysis of log records from multiple SMS and TPS components gives the organization the capability to ...Rule Medium Severity -
SRG-NET-000131-IDPS-00011
<GroupDescription></GroupDescription>Group -
The SMS must be configured to remove or disable non-essential capabilities on SMS and TPS which are not required for operation or not related to IDPS functionality (e.g., web server, SSH, telnet, and TAXII).
<VulnDiscussion>An IDPS can be capable of providing a wide variety of capabilities. Not all of these capabilities are necessary. Unnecessary ...Rule Medium Severity
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