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System Security
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The following table describes the options in the Security Settings page.
Caution: High security setting recommended
We recommend always using the High security setting unless you have a specific and compelling
need to allow one of the insecure capabilities.
We recommend the Maximum security setting only for those environments where the most stringent
security protocols must be adhered to.
Enabling Maximum security is irreversible and has significant consequences (see The
Consequences of Enabling Maximum Security Mode). Don’t choose this setting unless you know what
you’re doing and are prepared for the consequences. Refer to the Polycom RealPresence DMA 7000
System Deployment Guide for Maximum Security Environments for additional important information
about enabling this setting.
Note: Security settings must match across superclusters
All clusters in a supercluster must have the same security settings. Before attempting to join a
supercluster, make sure the cluster’s security settings match those of the other members of the
supercluster. You can’t change a cluster’s security settings while it’s part of a supercluster.
Note: Maximum security mode unsupported in virtual edition
The RealPresence DMA system, Virtual Edition, does not support Maximum Security Mode.
Field Description
Maximum security An extremely high security mode suitable for use where very strict security
requirements apply.
Once this mode is enabled, it’s no longer possible to reduce the security level.
See caution above.
High security Recommended setting for normal operation.
Custom security Lets you enable one or more of the unsecured methods of network access
listed below it.
Allow Linux console access Enables the Linux user root to log into the system using SSH. This direct
Linux access isn’t needed for normal operation, routine maintenance, or even
troubleshooting, all of which can be done through the administrative GUI.
In extreme circumstances, this option might enable expert Polycom Global
Services personnel to more fully understand the state of a troubled system or
correct problems. Enable this option only when asked to do so by Polycom
Global Services.