Table 9: Firewall Rule Settings; Figure 11: Create New Firewall Rule - Grandstream Networks UCM6102 User Manual

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Ping Enable. Enable or disable ICMP response for Ping request. The default setting is Yes.
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SYN Flood. Enable to prevent SYN Flood denial-of-service attack to the device.
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Death-of-Ping. Enable to prevent Death-of-Ping attack to the device.
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Create New Rule.
Click on "Create New Rule" button and a new window will pop up to specify rule options.
Rule Name Specify the Firewall rule name.
Select the action for the Firewall to perform.
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Action
•
•
Select the protocol for the traffic.
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Protocol
•
•
Select the traffic type.
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Type
•
Select the service type.
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Service
•
•
Firmware Version 1.0.0.32

Figure 11: Create New Firewall Rule

Table 9: Firewall Rule Settings

ACCEPT
REJECT
DROP
TCP
UDP
Both
IN. If selected, users will need specify the interface for the incoming packets.
OUT
FTP
SSH
Telnet
UCM6102/6104/6108/6116 USER MANUAL Page 26 of 108