II - Mission Support Classified
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000512-ALG-000066
<GroupDescription></GroupDescription>Group -
Symantec ProxySG providing intermediary services for HTTP must inspect inbound HTTP traffic for protocol compliance and protocol anomalies.
<VulnDiscussion>Application protocol anomaly detection examines application layer protocols such as HTTP to identify attacks based on observe...Rule Medium Severity -
SRG-NET-000512-ALG-000066
<GroupDescription></GroupDescription>Group -
Symantec ProxySG providing intermediary services for HTTP must inspect outbound HTTP traffic for protocol compliance and protocol anomalies.
<VulnDiscussion>Application protocol anomaly detection examines application layer protocols such as HTTP to identify attacks based on observe...Rule Medium Severity -
SRG-NET-000131-ALG-000085
<GroupDescription></GroupDescription>Group -
Symantec ProxySG must not have unnecessary services and functions enabled.
<VulnDiscussion>Information systems are capable of providing a wide variety of functions (capabilities or processes) and services. Some of th...Rule Medium Severity -
SRG-NET-000131-ALG-000086
<GroupDescription></GroupDescription>Group -
Symantec ProxySG must be configured to remove or disable unrelated or unneeded application proxy services.
<VulnDiscussion>Unrelated or unneeded proxy services increase the attack vector and add excessive complexity to the securing of the ALG. Mult...Rule Medium Severity -
SRG-NET-000132-ALG-000087
<GroupDescription></GroupDescription>Group -
Symantec ProxySG must be configured to prohibit or restrict the use of network services as defined in the PPSM CAL and vulnerability assessments.
<VulnDiscussion>To prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embeddi...Rule High Severity -
SRG-NET-000337-ALG-000096
<GroupDescription></GroupDescription>Group -
Symantec ProxySG providing user authentication intermediary services must require users to reauthenticate every 900 seconds when organization-defined circumstances or situations require reauthentication.
<VulnDiscussion>Without reauthentication, users may access resources or perform tasks for which they do not have authorization. In addition ...Rule Medium Severity -
SRG-NET-000138-ALG-000063
<GroupDescription></GroupDescription>Group -
Symantec ProxySG must uniquely identify and authenticate organizational users (or processes acting on behalf of organizational users).
<VulnDiscussion>To assure accountability and prevent unauthenticated access, organizational users must be identified and authenticated to pre...Rule High Severity -
SRG-NET-000138-ALG-000088
<GroupDescription></GroupDescription>Group -
Symantec ProxySG must be configured with a pre-established trust relationship and mechanisms with appropriate authorities that validate user account access authorizations and privileges.
<VulnDiscussion>User account and privilege validation must be centralized to prevent unauthorized access using changed or revoked privileges....Rule High Severity -
SRG-NET-000138-ALG-000089
<GroupDescription></GroupDescription>Group -
Symantec ProxySG providing user authentication intermediary services must restrict user authentication traffic to specific authentication servers.
<VulnDiscussion>User authentication can be used as part of the policy filtering rule sets. Some URLs or network resources can be restricted t...Rule High Severity -
SRG-NET-000339-ALG-000090
<GroupDescription></GroupDescription>Group -
Symantec ProxySG providing user authentication intermediary services must implement multifactor authentication for remote access to nonprivileged accounts such that one of the factors is provided by a device separate from the system gaining access.
<VulnDiscussion>For remote access to nonprivileged accounts, the purpose of requiring a device that is separate from the information system g...Rule Medium Severity -
SRG-NET-000340-ALG-000091
<GroupDescription></GroupDescription>Group -
Symantec ProxySG providing user authentication intermediary services must implement multifactor authentication for remote access to privileged accounts such that one of the factors is provided by a device separate from the system gaining access.
<VulnDiscussion>For remote access to privileged accounts, the purpose of requiring a device that is separate from the information system gain...Rule Medium Severity -
SRG-NET-000140-ALG-000094
<GroupDescription></GroupDescription>Group -
Symantec ProxySG providing user authentication intermediary services must use multifactor authentication for network access to nonprivileged accounts.
<VulnDiscussion>To assure accountability and prevent unauthenticated access, nonprivileged users must use multifactor authentication to preve...Rule Medium Severity -
SRG-NET-000147-ALG-000095
<GroupDescription></GroupDescription>Group -
Symantec ProxySG providing user authentication intermediary services must implement replay-resistant authentication mechanisms for network access to nonprivileged accounts.
<VulnDiscussion>A replay attack may enable an unauthorized user to gain access to the application. Authentication sessions between the authen...Rule Medium Severity -
SRG-NET-000344-ALG-000098
<GroupDescription></GroupDescription>Group -
Symantec ProxySG must prohibit the use of cached authenticators after 300 seconds at a minimum.
<VulnDiscussion>If the cached authenticator information is out of date, the validity of the authentication information may be questionable. ...Rule Medium Severity -
SRG-NET-000166-ALG-000101
<GroupDescription></GroupDescription>Group -
Symantec ProxySG, when configured for reverse proxy/WAF services and providing PKI-based user authentication intermediary services, must map the client certificate to the authentication server store.
<VulnDiscussion>Authorization for access to any network element requires an approved and assigned individual account identifier. To ensure on...Rule Medium Severity -
SRG-NET-000345-ALG-000099
<GroupDescription></GroupDescription>Group -
Symantec ProxySG providing user authentication intermediary services using PKI-based user authentication must implement a local cache of revocation data to support path discovery and validation in case of the inability to access revocation information via the network.
<VulnDiscussion>Without configuring a local cache of revocation data, there is the potential to allow access to users who are no longer autho...Rule Medium Severity -
SRG-NET-000349-ALG-000106
<GroupDescription></GroupDescription>Group -
Symantec ProxySG providing user authentication intermediary services must conform to Federal Identity, Credential, and Access Management (FICAM)-issued profiles.
<VulnDiscussion>Without conforming to FICAM-issued profiles, the information system may not be interoperable with FICAM-authentication protoc...Rule Medium Severity -
SRG-NET-000213-ALG-000107
<GroupDescription></GroupDescription>Group -
Symantec ProxySG must terminate all network connections associated with a communications session at the end of the session or terminate user sessions (nonprivileged session) after 15 minutes of inactivity.
<VulnDiscussion>Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take c...Rule High Severity -
SRG-NET-000510-ALG-000111
<GroupDescription></GroupDescription>Group -
Symantec ProxySG providing forward proxy encryption intermediary services must use NIST FIPS-validated cryptography to implement encryption services.
<VulnDiscussion>Use of weak or untested encryption algorithms undermines the purposes of using encryption to protect data. The network elemen...Rule Medium Severity -
SRG-NET-000510-ALG-000025
<GroupDescription></GroupDescription>Group -
Symantec ProxySG providing reverse proxy encryption intermediary services must implement NIST FIPS-validated cryptography to generate cryptographic hashes.
<VulnDiscussion>Use of weak or untested encryption algorithms undermines the purposes of using encryption to protect data. The network elemen...Rule Medium Severity -
SRG-NET-000510-ALG-000040
<GroupDescription></GroupDescription>Group -
Symantec ProxySG providing reverse proxy encryption intermediary services must implement NIST FIPS-validated cryptography for digital signatures.
<VulnDiscussion>Use of weak or untested encryption algorithms undermines the purposes of using encryption to protect data. The network elemen...Rule Medium Severity -
SRG-NET-000510-ALG-000111
<GroupDescription></GroupDescription>Group -
Symantec ProxySG providing reverse proxy encryption intermediary services must use NIST FIPS-validated cryptography to implement encryption services.
<VulnDiscussion>Use of weak or untested encryption algorithms undermines the purposes of using encryption to protect data. The network elemen...Rule Medium Severity -
SRG-NET-000230-ALG-000113
<GroupDescription></GroupDescription>Group -
Symantec ProxySG must use Transport Layer Security (TLS) to protect the authenticity of communications sessions.
<VulnDiscussion>Authenticity protection provides protection against man-in-the-middle attacks/session hijacking and the insertion of false in...Rule High Severity -
SRG-NET-000355-ALG-000117
<GroupDescription></GroupDescription>Group -
If reverse proxy is used for validating and restricting certs from external entities, and this function is required by the SSP, Symantec ProxySG providing user authentication intermediary services using PKI-based user authentication must only accept end entity certificates issued by DoD PKI or DoD-approved PKI Certification Authorities (CAs) for the establishment of protected sessions.
<VulnDiscussion>Non-DoD-approved PKIs have not been evaluated to ensure they have security controls and identity vetting procedures in place ...Rule Medium Severity -
SRG-NET-000235-ALG-000118
<GroupDescription></GroupDescription>Group -
Symantec ProxySG must fail to a secure state upon failure of initialization, shutdown, or abort actions.
<VulnDiscussion>Failure to a known safe state helps prevent systems from failing to a state that may cause loss of data or unauthorized acces...Rule Medium Severity
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