Port Lockout - Polycom HDX 4000 Series Administrator's Manual

Polycom, Inc.
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Port Lockout

Port Lockout protects against brute-force attacks by temporarily locking the
login port after a configurable number of unsuccessful login attempts have
been made, regardless of which account was used. This feature is available on
all login ports when External Authentication is disabled and always on either
of the following ports:
• Any serial port that uses Control for its RS-232 Mode setting when the
system is also configured in the Maximum Security Profile. For more
information about the RS-232 Mode setting, refer to
Serial Port Settings on page 10-5.
• The Polycom Touch Control pairing port.
Specifically, Port Lockout on the HDX system protects logins on the following
login ports:
• Local interface, when Require Login for System Access is enabled. For
more information about security settings, refer to
Mode on page 8-3.
• Web interface
• Serial port configured with an RS-232 Mode setting of Control, only when
the HDX system is using the Maximum Security Profile
• Polycom Touch Control pairing
HDX systems provide one set of port lock configuration settings for the local
interface and Polycom Touch Control, and another set for port lockout on the
other ports.
To configure the port lockout feature for the local interface and Polycom Touch
Control:
Do one of the following:
1
— In the local interface, go to System > Admin Settings > General
Settings > Security > Account Management (select
— In the web interface, go to Admin Settings > General Settings >
Security > Account Management.
Select the Admin Account and configure these settings:
2
Setting Description
Lock Account after Specifies the number of failed login attempts allowed before
Failed Logins the system locks the local interface from accepting logins. If
set to Off, the system does not lock the local interface due
to failed login attempts.
Account Lock Specifies the amount of time that the local interface remains
Duration in locked due to failed login attempts.
Minutes
Security
Configuring RS-232
Configuring Security
if necessary).
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