Firmware Version 1.0.1.12
UCM6510 IP PBX User Manual
blacklist. For example, if it’s set to 300 seconds, the blocked IP address will only
be able to establish TCP connection with the UCM6510 again after 300
seconds.
Configure the connection threshold. Once the number of connections from the
same host reaches the threshold during “Periodical Time Interval”, it will be
added into the blacklist. The default setting is 100.
Dynamic Defense
Whitelist
Configure the dynamic defense whitelist. This is a list of IPs that will not be
blocked by the UCM6510.
For example,
192.168.1.3
192.168.1.4
The following figure shows a configuration example like this:
If a host at IP address 192.168.40.7 initiates more than 20 TCP connections to the UCM6510 within 1
minute, it will be added into UCM6510 blacklist.
This host 192.168.40.7 will be blocked by the UCM6510 for 300 seconds.
Since IP address 192.168.40.5 is in whitelist, if the host at IP address 192.168.40.5 initiates more than
20 TCP connections to the UCM6510 within 1 minute, it will not be added into UCM6510 blacklist. It
can still establish TCP connection with the UCM6510.
Figure 17: Configure Dynamic Defense
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