User manual

mPBX-100 User Manual
www.yeastar.com Page 71
Figure 3-45
4) SIP Defense
·Port
The port used for SIP protocol.
·Protocol
Choose the protocol need to be protect, etc: UDP.
·SIP Packets
The SIP packets allowed in specific time interval .
·Time Interval
The time interval to receive SIP packets .
For example, SIP packets 90, time interval 60 means 90 SIP packets are allowed
in 60 seconds.
Figure 3-46
5) Other Settings
·Disable Ping
Enable this item, net ping from remote hosts will be dropped.
·Drop All
When you enable ‘Drop All’ feature, system will drop all packets or connection
from other hosts if there are no other rules defined. To avoid locking the devices,
at least one ‘TCP’ accept common rule must be created for port used for SSH
access, port used for HTTP access and port sued for CGI access.