Palo Alto Networks ALG Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The Palo Alto Networks security platform must drop malicious code upon detection.
Malicious code is designed to compromise information systems; therefore, it must be prevented from being transferred to uninfected hosts. The Palo Alto Networks security platform allows customized...Rule Medium Severity -
The Palo Alto Networks security platform must send an immediate (within seconds) alert to the system administrator, at a minimum, in response to malicious code detection.
Without an alert, security personnel may be unaware of an impending failure of the audit capability; then the ability to perform forensic analysis and detect rate-based and other anomalies will be ...Rule Medium Severity -
The Palo Alto Networks security platform must automatically update malicious code protection mechanisms.
Remote access is access to DOD nonpublic information systems by an authorized user (or an information system) communicating through an external, non-organization-controlled network. Remote access m...Rule Medium Severity -
The Palo Alto Networks security platform must deny or restrict detected prohibited mobile code.
Mobile code is defined as software modules obtained from remote systems, transferred across a network, and then downloaded and executed on a local system without explicit installation or execution ...Rule Medium Severity -
The Palo Alto Networks security platform, if used as a TLS gateway/decryption point or VPN concentrator, must control remote access methods (inspect and filter traffic).
Remote access devices, such as those providing remote access to network devices and information systems, which lack automated control capabilities, increase risk and makes remote user access manage...Rule Medium Severity -
The Palo Alto Networks security, if used as a TLS gateway/decryption point or VPN concentrator, must provide the capability to immediately disconnect or disable remote access to the information system.
Without the ability to immediately disconnect or disable remote access, an attack or other compromise taking place would not be immediately stopped. Remote access functionality must have the capab...Rule Medium Severity -
To protect against data mining, the Palo Alto Networks security platform must detect and 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 -
The Palo Alto Networks security platform being used for TLS/SSL decryption using PKI-based user authentication must only accept end entity certificates issued by DoD PKI or DoD-approved PKI Certificate Authorities (CAs) for the establishment of protected sessions.
Non-DoD approved PKIs have not been evaluated to ensure that they have security controls and identity vetting procedures in place that are sufficient for DoD systems to rely on the identity asserte...Rule Medium Severity -
The Palo Alto Networks security platform must block outbound traffic containing denial-of-service (DoS) attacks to protect against the use of internal information systems to launch any DoS attacks against other networks or endpoints.
If the network does not provide safeguards against DoS attacks, network resources may be unavailable to users. Installation of content filtering gateways and application-layer firewalls at key boun...Rule High Severity -
The Palo Alto Networks security platform must identify and log internal users associated with prohibited outgoing communications traffic.
Without identifying the users who initiated the traffic, it would be difficult to identify those responsible for the prohibited communications. This requirement applies to those network elements th...Rule Medium Severity -
The Palo Alto Networks security platform must detect use of network services that have not been authorized or approved by the ISSM and ISSO, at a minimum.
Unauthorized or unapproved network services lack organizational verification or validation and therefore may be unreliable or serve as malicious rogues for valid services. Examples of network serv...Rule Medium Severity -
The Palo Alto Networks security platform must generate an alert to, at a minimum, the ISSO and ISSM when unauthorized network services are detected.
Unauthorized or unapproved network services lack organizational verification or validation and therefore may be unreliable or serve as malicious rogues for valid services. Automated mechanisms can...Rule Medium Severity -
The Palo Alto Networks security platform must continuously monitor inbound communications traffic crossing internal security boundaries.
If inbound communications traffic is not continuously monitored, hostile activity may not be detected and prevented. Output from application and traffic monitoring serves as input to continuous mon...Rule Medium Severity -
The Palo Alto Networks security platform must generate an alert to, at a minimum, the ISSO and ISSM when threats identified by authoritative sources (e.g., IAVMs or CTOs) are detected.
Without an alert, security personnel may be unaware of major detection incidents that require immediate action, and this delay may result in the loss or compromise of information. The device gener...Rule Medium Severity -
The Palo Alto Networks security platform must generate an alert to, at a minimum, the ISSO and ISSM when rootkits or other malicious software which allows unauthorized privileged access is detected.
Without an alert, security personnel may be unaware of major detection incidents that require immediate action, and this delay may result in the loss or compromise of information. The Palo Alto Ne...Rule Medium Severity -
The Palo Alto Networks security platform must generate a log record that can be used to send an alert to, at a minimum, the information system security officer (ISSO) and information system security manager (ISSM) when denial-of-service (DoS) incidents are detected.
Without an alert, security personnel may be unaware of major detection incidents that require immediate action, and this delay may result in the loss or compromise of information. CJCSM 6510.01B, ...Rule Medium Severity -
The Palo Alto Networks security platform must block traceroutes and ICMP probes originating from untrusted networks (e.g., ISP and other non-DoD networks).
Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an organization's operational state or can give configuration details about the...Rule Medium Severity -
The Palo Alto Networks security platform must, at a minimum, off-load threat and traffic log records onto a centralized log server in real time.
Off-loading ensures audit information does not get overwritten if the limited audit storage capacity is reached and also protects the audit record in case the system/component being audited is comp...Rule Low Severity -
The Palo Alto Networks security platform must inspect inbound and outbound SMTP and Extended SMTP communications traffic (if authorized) for protocol compliance and protocol anomalies.
Application protocol anomaly detection examines application layer protocols such as SMTP to identify attacks based on observed deviations in the normal RFC behavior of a protocol or service. This t...Rule Medium Severity -
The Palo Alto Networks security platform must inspect inbound and outbound HTTP traffic (if authorized) for protocol compliance and protocol anomalies.
Application protocol anomaly detection examines application layer protocols such as HTTP to identify attacks based on observed deviations in the normal RFC behavior of a protocol or service. This t...Rule Medium Severity
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