II - Mission Support Public
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000015-AS-000010
<GroupDescription></GroupDescription>Group -
The Horizon Connection Server must be configured to only support TLS 1.2 connections.
<VulnDiscussion>Preventing the disclosure of transmitted information requires that the application server take measures to employ strong cryp...Rule High Severity -
SRG-APP-000015-AS-000010
<GroupDescription></GroupDescription>Group -
The Blast Secure Gateway must be configured to only support TLS 1.2 connections.
<VulnDiscussion>Preventing the disclosure of transmitted information requires that the application server take measures to employ strong cryp...Rule High Severity -
SRG-APP-000015-AS-000010
<GroupDescription></GroupDescription>Group -
The Horizon Connection Server must force server cipher preference.
<VulnDiscussion>By default, during the initial setup of a Transport Layer Security (TLS) connection to the Horizon Connection Server, the cli...Rule High Severity -
SRG-APP-000016-AS-000013
<GroupDescription></GroupDescription>Group -
The Horizon Connection Server must be configured to debug level logging.
<VulnDiscussion>To ensure that all security-relevant information and events are logged, the Horizon Connection Server must be configured with...Rule Medium Severity -
SRG-APP-000033-AS-000024
<GroupDescription></GroupDescription>Group -
The Horizon Connection Server administrators must be limited in terms of quantity, scope, and permissions.
<VulnDiscussion>Role based access and least privilege are two fundamental security concepts that must be properly implemented in Horizon View...Rule Medium Severity -
SRG-APP-000080-AS-000045
<GroupDescription></GroupDescription>Group -
The Horizon Connection Server must require DoD PKI for administrative logins.
<VulnDiscussion>The Horizon Connection Server console supports CAC login as required for cryptographic non-repudiation. CAC login can be conf...Rule High Severity -
SRG-APP-000089-AS-000050
<GroupDescription></GroupDescription>Group -
The Horizon Connection Server must be configured with an events database.
<VulnDiscussion>The Horizon Connection Server stores application level events and actions in a dedicated database versus log files. This make...Rule Medium Severity -
SRG-APP-000090-AS-000051
<GroupDescription></GroupDescription>Group -
The Horizon Connection Server must limit access to the global configuration privilege.
<VulnDiscussion>The Horizon Connection Server comes with pre-defined privileges that can be combined in any combination into a role. That rol...Rule Medium Severity -
SRG-APP-000175-AS-000124
<GroupDescription></GroupDescription>Group -
The Horizon Connection Server must perform full path validation on server-to-server TLS connection certificates.
<VulnDiscussion>The Horizon Connection Server performs certificate revocation checking on its own certificate and on those of the security se...Rule Medium Severity -
SRG-APP-000175-AS-000124
<GroupDescription></GroupDescription>Group -
The Horizon Connection Server must validate client and administrator certificates.
<VulnDiscussion>The Horizon Connection Server can be configured to check the revocation status of PKI certificates over both OCSP and CRL. Th...Rule Medium Severity -
SRG-APP-000179-AS-000129
<GroupDescription></GroupDescription>Group -
The Horizon Connection Server must only use FIPS 140-2 validated cryptographic modules.
<VulnDiscussion>Encryption is only as good as the encryption modules utilized. Unapproved cryptographic module algorithms cannot be verified ...Rule High Severity -
SRG-APP-000220-AS-000148
<GroupDescription></GroupDescription>Group -
The Horizon Connection Server must time out administrative sessions after 15 minutes or less.
<VulnDiscussion>If communications sessions remain open for extended periods of time even when unused, there is the potential for an adversary...Rule Medium Severity -
SRG-APP-000267-AS-000170
<GroupDescription></GroupDescription>Group -
The Horizon Connection Server must protect log files from unauthorized access.
<VulnDiscussion>Error logs can contain sensitive information about system errors and system architecture that need to be protected from unaut...Rule Medium Severity -
SRG-APP-000358-AS-000064
<GroupDescription></GroupDescription>Group -
The Horizon Connection Server must offload events to a central log server in real time.
<VulnDiscussion>Information system logging capability is critical for accurate forensic analysis. Centralized management of log records provi...Rule Medium Severity -
SRG-APP-000427-AS-000264
<GroupDescription></GroupDescription>Group -
The Horizon Connection Server must be configured with a DoD-issued TLS certificate.
<VulnDiscussion>The DoD will only accept PKI certificates obtained from a DoD-approved internal or external certificate authority (CA). If th...Rule Medium Severity -
SRG-APP-000516-AS-000237
<GroupDescription></GroupDescription>Group -
The Horizon Connection Server must reauthenticate users after a network interruption.
<VulnDiscussion>Given the remote access nature of Horizon Connection Server, the client must be ensured to be under positive control as much ...Rule Medium Severity -
SRG-APP-000516-AS-000237
<GroupDescription></GroupDescription>Group -
The Horizon Connection Server must disconnect users after a maximum of ten hours.
<VulnDiscussion>Horizon Connection Server is intended to provide remote desktops and applications, generally during working hours and for no ...Rule Medium Severity -
SRG-APP-000516-AS-000237
<GroupDescription></GroupDescription>Group -
The Horizon Connection Server must disconnect applications after two hours of idle time.
<VulnDiscussion>Horizon View is intended to provide remote desktops and applications during for more or less continuous use. If an applicatio...Rule Medium Severity -
SRG-APP-000516-AS-000237
<GroupDescription></GroupDescription>Group -
The Horizon Connection Server must discard SSO credentials after 15 minutes.
<VulnDiscussion>Horizon Connection Server caches user credentials temporarily to ensure that the user can connect to their desktop pools with...Rule Medium Severity -
SRG-APP-000516-AS-000237
<GroupDescription></GroupDescription>Group -
The Horizon Connection Server must not accept pass-through client credentials.
<VulnDiscussion>Horizon Connection Server has the ability to allow clients to authenticate using the local session credentials of their local...Rule Medium Severity -
SRG-APP-000516-AS-000237
<GroupDescription></GroupDescription>Group -
The Horizon Connection Server must require DoD PKI for client logins.
<VulnDiscussion>Before clients can pick a desktop or app to access, they must first authenticate to the broker, the Connection Server itself....Rule Medium Severity -
SRG-APP-000516-AS-000237
<GroupDescription></GroupDescription>Group -
The Horizon Connection Server must backup its configuration daily.
<VulnDiscussion>Configuring the application to implement organization-wide security implementation guides and security checklists ensures com...Rule Medium Severity -
SRG-APP-000516-AS-000237
<GroupDescription></GroupDescription>Group -
The Horizon Connection Server Instant Clone domain account must be configured with limited permissions.
<VulnDiscussion>Configuring the application to implement organization-wide security implementation guides and security checklists ensures com...Rule Medium Severity -
SRG-APP-000516-AS-000237
<GroupDescription></GroupDescription>Group -
The Horizon Connection Server must be configured in accordance with the security configuration settings based on DoD security configuration or implementation guidance, including STIGs, NSA configuration guides, CTOs, and DTMs.
<VulnDiscussion>Configuring the application to implement organization-wide security implementation guides and security checklists ensures com...Rule Medium Severity -
SRG-APP-000516-AS-000237
<GroupDescription></GroupDescription>Group -
The Horizon Connection Server must have X-Frame-Options enabled.
<VulnDiscussion>RFC 7034 HTTP Header Field X-Frame-Options, also known as counter clickjacking, is enabled by default on the Horizon Connecti...Rule Medium Severity
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