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Appendix F-Secure Communication Mode
Polycom, Inc. F-7
Ultra Secure Mode
ULTRA_SECURE_MODE System Flag
The Ultra Secure Mode is enabled or disabled depending on the value of the
ULTRA_SECURE_MODE System Flag.
In the Ultra Secure Mode (ULTRA_SECURE_MODE =YES) the enhanced security features
of the version are rigorously enforced. The ULTRA_SECURE_MODE System Flag affects
the ranges and defaults of the System Flags that control:
•Network Security
• User Management
• Strong Passwords
• Login and Session Management
• Cyclic File Systems alarms
For more information see:
•"User and Connection Management in Ultra Secure Mode” on page 15-8.
•"Flags Specific to Maximum Security Environments - Ultra Secure Mode” on page 22-48.
Securing an External Database
TLS 1.0 is used when securing communications between the MCU and an external database.
The certificate is installed on the database server and the MCU is the client. When the
certificate is installed on the database server, all client requests and responses are
transferred via secure port 443.
WARNING: Once Ultra Secure Mode is enabled it can only be undone by performing a Restore to
Factory Defaults. Also, to implement a Maximum Security environment, other Polycom products on
the network must be similarly configured.
For more information see "Restoring Defaults” on page J-1.
When the ULTRA_SECURE_MODE flag is set to YES, Version 7.8 does not include support for:
• Connection to Alternate Management
Network via LAN3 port
• SUPPORT user
• Auditor user
• Chairperson user
• Connections to External Databases
• IP Sec security protocols
• ISDN Cascade
• Serial connection
• Modem connection
• MPM cards
• PCM
• SIP
• SIP security (Digest)
• SIP TLS
• SNMP
• SSH server.
• USB key configuration
• Web link (Hyperlink in Participant Properties
dialog box)
• QoS with IPv6
• Recording link
• PCO (MS-Outlook)