I - Mission Critical Public
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000061-ALG-000009
Group -
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 -
SRG-NET-000062-ALG-000011
Group -
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 -
SRG-NET-000062-ALG-000092
Group -
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 -
SRG-NET-000063-ALG-000012
Group -
The Palo Alto Networks security platform, if used as a TLS gateway/decryption point or VPN concentrator, must use NIST FIPS-validated cryptography to protect the integrity of remote access sessions.
Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Cryptographic mechanisms used for protecting the integrity of information include, ...Rule Medium Severity -
SRG-NET-000077-ALG-000046
Group -
The Palo Alto Networks security platform must log violations of security policies.
Without establishing the source of the event, it is impossible to establish, correlate, and investigate the events leading up to an outage or attack. In order to compile an accurate risk assessment...Rule Low Severity -
SRG-NET-000131-ALG-000085
Group -
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 -
SRG-NET-000131-ALG-000085
Group -
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 -
SRG-NET-000131-ALG-000086
Group -
The Palo Alto Networks security platform must not enable the DNS proxy.
The Palo Alto Networks security platform can act as a DNS proxy and send the DNS queries on behalf of the clients. DNS queries that arrive on an interface IP address can be directed to different DN...Rule Medium Severity -
SRG-NET-000132-ALG-000087
Group -
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 -
SRG-NET-000164-ALG-000100
Group -
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 -
SRG-NET-000192-ALG-000121
Group -
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 -
SRG-NET-000192-ALG-000121
Group -
The Palo Alto Networks security platform must block phone home traffic.
A variety of Distributed Denial of Service (DDoS) attacks and other attacks use "botnets" as an attack vector. A botnet is a collection of software agents (referred to as "bot"), residing on compro...Rule Medium Severity -
SRG-NET-000192-ALG-000121
Group -
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 -
SRG-NET-000202-ALG-000124
Group -
The Palo Alto Networks security platform must deny network communications traffic by default and allow network communications traffic by exception (i.e., deny all, permit by exception).
A deny-all, permit-by-exception network communications traffic policy ensures that only those connections that are essential and approved are allowed. As a managed boundary interface between netwo...Rule Medium Severity -
SRG-NET-000213-ALG-000107
Group -
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 -
SRG-NET-000246-ALG-000132
Group -
The Palo Alto Networks security platform must update malicious code protection mechanisms and signature definitions whenever new releases are available in accordance with organizational configuration management policy and procedures.
In order to minimize any potential negative impact to the organization caused by malicious code, malicious code must be identified and eradicated. Malicious code includes viruses, worms, Trojan hor...Rule Medium Severity -
SRG-NET-000249-ALG-000134
Group -
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 -
SRG-NET-000249-ALG-000145
Group -
The Palo Alto Networks security platform must delete or quarantine malicious code in response to malicious code detection.
Taking an appropriate action based on local organizational incident handling procedures minimizes the impact of this code on the network. This requirement is limited to ALGs web content filters and...Rule Medium Severity -
SRG-NET-000249-ALG-000146
Group -
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 -
SRG-NET-000251-ALG-000131
Group -
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 -
SRG-NET-000288-ALG-000109
Group -
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 -
SRG-NET-000289-ALG-000110
Group -
The Palo Alto Networks security platform must prevent the download of prohibited mobile code.
MMobile 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 -
SRG-NET-000313-ALG-000010
Group -
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 -
SRG-NET-000314-ALG-000013
Group -
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 -
SRG-NET-000318-ALG-000014
Group -
To protect against data mining, the Palo Alto Networks security platform must detect and prevent SQL and other code injection attacks launched against data storage objects, including, at a minimum, databases, database records, queries, and fields.
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
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