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, if used to provide intermediary services for remote access communications traffic (TLS or SSL decryption), must ensure inbound and outbound traffic is monitored for compliance with remote access security policies.
Automated monitoring of remote access traffic allows organizations to detect cyber attacks and also ensure ongoing compliance with remote access policies by inspecting connection activities of remo...Rule Medium Severity -
The Palo Alto Networks security platform, if used as a TLS gateway/decryption point or VPN concentrator, must use encryption services that implement NIST FIPS-validated cryptography to protect the confidentiality of remote access sessions.
Without confidentiality protection mechanisms, unauthorized individuals may gain access to sensitive information via a remote access session. Encryption provides a means to secure the remote conne...Rule Medium Severity -
The Palo Alto Networks security platform that stores secret or private keys must use FIPS-approved key management technology and processes in the production and control of private/secret cryptographic keys.
Private key data is used to prove that the entity presenting a public key certificate is the certificate's rightful owner. Compromise of private key data allows an adversary to impersonate the key ...Rule Medium Severity -
The Palo Alto Networks security platform must only enable User-ID on trusted zones.
User-ID can use Windows Management Instrumentation (WMI) probing as a method of mapping users to IP addresses. If this is used, the User-ID Agent will send a probe to each learned IP address in its...Rule Medium Severity -
The Palo Alto Networks security platform must disable WMI probing if it is not used.
User-ID can use Windows Management Instrumentation (WMI) probing as a method of mapping users to IP addresses. If this is used, the User-ID Agent will send a probe to each learned IP address in its...Rule Medium Severity -
The Palo Alto Networks security platform must be configured to prohibit or restrict the use of functions, ports, protocols, and/or services, as defined in the PPSM CAL and vulnerability assessments.
In order to prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embedding of data types within data types); organizations must disable...Rule Medium Severity -
The Palo Alto Networks security platform 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 Palo Alto Networks security platform must protect against the use of internal systems for launching denial-of-service (DoS) attacks against external networks or endpoints.
DoS attacks from DOD sources risk the reputation of the organization. Thus, it is important to protect against the DOD system being used to launch an attack on external systems. Although Zone Prote...Rule Medium Severity -
The Palo Alto Networks security platform must deny outbound IP packets that contain an illegitimate address in the source address field.
A compromised host in an enclave can be used by a malicious actor as a platform to launch cyber attacks on third parties. This is a common practice in "botnets", which are a collection of compromis...Rule Medium Severity -
The Palo Alto Networks security platform must terminate communications sessions after 15 minutes of inactivity.
Idle sessions can accumulate, leading to an exhaustion of memory in network elements processing traffic flows. Note that the 15 minute period is a maximum value; Administrators can choose shorter t...Rule Medium Severity
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