I - Mission Critical Classified
Rules and Groups employed by this XCCDF Profile
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NET0140
<GroupDescription></GroupDescription>Group -
The connection between the Channel Service Unit/Data Service Unit (CSU/DSU) and the Local Exchange Carriers (LEC) data service jack (i.e., demarc) as well as any service provider premise equipment must be located in a secure environment.
<VulnDiscussion>DOD leased lines carry an aggregate of sensitive and non-sensitive data; therefore unauthorized access must be restricted. In...Rule Low Severity -
NET-IDPS-016
<GroupDescription></GroupDescription>Group -
An Intrusion Detection and Prevention System (IDPS) sensor must be deployed to monitor all Demilitarized Zone (DMZ) segments housing public servers.
<VulnDiscussion>The initial step in IDPS deployment is determining where sensors should be placed. Because attacks originate at the enclave p...Rule Medium Severity -
NET-IDPS-018
<GroupDescription></GroupDescription>Group -
An Intrusion Detection and Prevention System (IDPS) sensor must be deployed to monitor the network segment hosting web, application, and database servers.
<VulnDiscussion>Attacks can originate within the enclave boundary. Hence, deploying an IDPS on the network segment hosting web, application, ...Rule Medium Severity -
NET-IDPS-019
<GroupDescription></GroupDescription>Group -
An Intrusion Detection and Prevention System (IDPS) sensor must be deployed to monitor network segments that house network security management servers.
<VulnDiscussion>The initial step in IDPS deployment is determining where sensors should be placed. Because attacks originate at the enclave p...Rule Medium Severity -
NET-IDPS-021
<GroupDescription></GroupDescription>Group -
An Intrusion Detection and Prevention System (IDPS) must be deployed to monitor all unencrypted traffic entering and leaving the enclave.
<VulnDiscussion>Per CJCSI 6510.01F, Enclosure A-5, Paragraph 8, "DOD ISs (e.g., enclaves, applications, outsourced IT-based process, and pla...Rule Medium Severity -
NET-IDPS-024
<GroupDescription></GroupDescription>Group -
Sensor traffic in transit must be protected at all times via an Out-of-Band (OOB) network or an encrypted tunnel between site locations.
<VulnDiscussion>User interface services must be physically or logically separated from data storage and management services. Data from IDS se...Rule Medium Severity -
NET-IDPS-025
<GroupDescription></GroupDescription>Group -
Intrusion Detection and Prevention System (IDPS) traffic between the sensor and the security management or sensor data collection servers must traverse a dedicated Virtual Local Area Network (VLAN) logically separating IDPS traffic from all other enclave traffic.
<VulnDiscussion>All IDPS data collected by agents in the enclave at required locations must also be protected by logical separation when in t...Rule Medium Severity -
NET-IDPS-027
<GroupDescription></GroupDescription>Group -
Products collecting baselines for anomaly-based detection must have their baselines rebuilt based on changes to mission requirements such as Information Operations Conditions (INFOCON) levels and when the traffic patterns are expected to change significantly.
<VulnDiscussion>Administrators should ensure that any products collecting baselines for anomaly-based detection have their baselines rebuilt ...Rule Low Severity -
NET-IDPS-029
<GroupDescription></GroupDescription>Group -
If a Secure File Transfer Protocol (SFTP) server is used to provide updates to the sensors, the server must be configured to allow read-only access to the files within the directory on which the signature packs are placed.
<VulnDiscussion>In a large scale IDPS deployment, it is common to have an automated update process implemented. This is accomplished by havin...Rule Medium Severity -
NET-IDPS-030
<GroupDescription></GroupDescription>Group -
If an automated scheduler is used to provide updates to the sensors, an account on the file server must be defined that will provide access to the signatures only to the sensors.
<VulnDiscussion>In a large scale IDPS deployment, it is common to have an automated update process implemented. This is accomplished by havin...Rule Medium Severity
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