UCM6200 Series User Manual
Version 1.0.20.38
If a host exceeds the maximum allowed number attempts configured for Max
Retry within the configured Max Retry Duration window, the host will be
banned. The default setting is 600 seconds.
Configures the maximum number of allowed authentication failures within the
configured Max Retry Duration window. The default setting is 5.
Configures the IP addresses, CIDR masks, and DNS hosts in the Fail2Ban
whitelist. Whitelisted entries will not be banned by Fail2Ban even after exceeding
the allowed number of authentication failures. Up to 20 addresses can be added.
Enable Asterisk service for Fail2Ban. The default setting is disabled. Please make
sure both "Enable Fail2Ban" and "Asterisk Service" are turned on to use Fail2Ban
for SIP authentication on the UCM6200.
Configure the listening port number for the service. By default, port 5060 will be
used for UDP and TCP, and port 5061 will be used for TLS.
Configures the maximum number of authentication failures before the host is
banned. The default setting is 10. Please note that this will override the Global
Settings->MaxRetry setting.
Enables defense against excessive login attacks to the UCM’s web GUI.
The default setting is disabled.
This is the Web GUI listening port number which is configured under System
Settings→HTTP Server→Port. The default is 8089.
Configures the maximum allowed number of failed login attempts from an IP
address before it is added to the Fail2Ban blacklist.
Users will be able to view the IPs that have been blocked by UCM.
TLS Security
TLS security to specify minimum and maximum TLS versions supported by the UCM.
Please log in UCM62xx web interface and go to System Settings→Security Settings→TLS Security.
By default, minimum TLS version is set to TLS1.1, and maximum TLS version is set to TLS1.2.
Supported versions are 1.0, 1.1 and 1.2
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