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XCCDF
VMware vSphere 8.0 vCenter Appliance Envoy Security Technical Implementation Guide
VMware vSphere 8.0 vCenter Appliance Envoy Security Technical Implementation Guide
An XCCDF Benchmark
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File Metadata
5 rules organized in 5 groups
SRG-APP-000118-WSR-000068
1 Rule
The vCenter Envoy and Rhttpproxy service log files permissions must be set correctly.
Medium Severity
Log data is essential in the investigation of events. If log data were to become compromised, then competent forensic analysis and discovery of the true source of potentially malicious system activity would be difficult, if not impossible, to achieve. In addition, access to log records provides information an attacker could potentially use to their advantage since each event record might contain communication ports, protocols, services, trust relationships, usernames, etc. The web server must protect the log data from unauthorized read, write, copy, etc. This can be done by the web server if the web server is also doing the logging function. The web server may also use an external log system. In either case, the logs must be protected from access by nonprivileged users. Satisfies: SRG-APP-000118-WSR-000068, SRG-APP-000119-WSR-000069, SRG-APP-000120-WSR-000070
SRG-APP-000176-WSR-000096
1 Rule
The vCenter Envoy service private key file must be protected from unauthorized access.
Medium Severity
Envoy's private key is used to prove the identity of the server to clients and securely exchange the shared secret key used to encrypt communications between the web server and clients. By gaining access to the private key, an attacker can pretend to be an authorized server and decrypt the Transport Layer Security (TLS) traffic between a client and the web server.
SRG-APP-000358-WSR-000063
1 Rule
The vCenter Rhttpproxy service log files must be sent to a central log server.
Medium Severity
Writing events to a centralized management audit system offers many benefits to the enterprise over having dispersed logs. Centralized management of audit records and logs provides for efficiency in maintenance and management of records, enterprise analysis of events, and backup and archiving of event records enterprise-wide. The web server and related components are required to be capable of writing logs to centralized audit log servers. Satisfies: SRG-APP-000358-WSR-000063, SRG-APP-000125-WSR-000071
SRG-APP-000358-WSR-000063
1 Rule
The vCenter Envoy service log files must be sent to a central log server.
Medium Severity
Writing events to a centralized management audit system offers many benefits to the enterprise over having dispersed logs. Centralized management of audit records and logs provides for efficiency in maintenance and management of records, enterprise analysis of events, and backup and archiving of event records enterprise-wide. The web server and related components are required to be capable of writing logs to centralized audit log servers.
SRG-APP-000001-WSR-000001
1 Rule
The vCenter Envoy service must set a limit on remote connections.
Medium Severity
Envoy client connections must be limited to preserve system resources and continue servicing connections without interruption. Without a limit set, the system would be vulnerable to a trivial denial-of-service attack where connections are created en masse and vCenter resources are entirely consumed. Envoy comes hard coded with a tested and supported value for "maxRemoteHttpsConnections" and "maxRemoteHttpConnections" that must be verified and maintained.