Grandstream Networks UCM6108 User Manual

Firmware Version 1.0.2.21 UCM6100 Series IP PBX User Manual Page 37 of 159
Table 15: UCM6102 Firewall Dynamic Defense
Dynamic Defense
Enable
Enable dynamic defense. The default setting is disabled.
Periodical Time
Configure the dynamic defense periodic time interval (in minutes).
If the
number of TCP connections from a host exceeds the connection threshold
within this period, this host will be added into Blacklist. The
valid value is
between 1 to 59 when dynamic defense is turned on. T
he default setting is
59.
Blacklist Update
Interval
Configure the blacklist update time interval (in seconds). The default setting is
120.
Connection
Threshold
Configure the connection threshold.
Once the number of connections from
the same host reaches the threshold, it will be added into the blacklist. The
default setting is 100.
Dynamic Defense
Whitelist
Configure the dynamic defense whitelist.
For example,
192.168.1.3
192.168.1.4
CHANGE PASSWORD
After login the Web GUI for the first time, it is highly recommended for users to change the default password
"admin" to a more complicated password for security purpose. Follow the steps below to change the Web
GUI access password.
1. Go to Web GUI->Settings->Change Password page.
2. Enter the old password first.
3. Enter the new password and retype the new password to confirm. The new password field has to be at
least 5 characters.
4. Click on "Save" and the user will be automatically logged out.
5. Once the web page comes back to the login page again, enter the username "admin" and the new
password to login.
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Grandstream Networks UCM6108 Specifications

General

Brand	Grandstream Networks
Model	UCM6108
Category	PBX
Language	English