New Rock Technologies NRP1000, Руководство пользователя

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NRP1000 Series IP Phone User Manual
New Rock Technologies, Inc. 5-55
Figure 5-36 Firewall setting interface
Table 5-30 Firewall parameters setting
Name Description
Firewall Type
Enable Input
Rules Enables the application of input rules on the firewall.
Enable Output
Rules Enables the application of output rules on the firewall.
Firewall Settings
Input / Output Adds an input or output rule as needed.
Deny/Permit Permits or rejects the current rule configuration.
Protocol Specifies the type of a filtering protocol, which can be TCP, UDP, ICMP, or IP.
Port Range Specifies the range of port number to be filtered.
Src Address Specifies a source address. The value can be a host address, network address, 0.0.0.0,
or an address in the form similar to *.*.*.0 (such as
192.168.1.0 ).
Des Address Specifies a destination address. The value can be an IP address, a network address,
0.0.0.0, or an address in the form similar to *.*.*.0 (such as
192.168.1.0
).
Src Mask Specifies the subnet mask of the source address. If the value is set to 255.255.255.255,
the access requirement from a specific host will be filtered; if the value is set to
255.255.255.0, the access requirement from devices within a certain network segment
will be filtered.
Dest Mask Specifies the subnet mask of the destination address. If the value is set to
255.255.255.255, the access requirement from a specific host will be filtered; if the
value is set to 255.255.255.0, the access requirement from devices within a certain
network segment will be filtered.
Adds an input or output rule as needed.