Positron IP408, Руководство пользователя

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8.3.7.2 Firewall
Firewall Configuration
Firewall rules can be used to prevent unauthorized Internet users from accessing private
networks connected to this phone (input rule), or prevent unauthorized devices connected to
this phone from accessing the Internet (output rule). Each rule type supports a maximum of
10 items.
Field Name Explanation
Enable Input Rules Enable rules limiting access from the Internet.
Enable Output Rules Enable rules limiting access to the Internet.
Input/Output Specify if the current rule is input or output.
Deny/Permit Specify if the current rule is Deny or Permit.
Protocol Filter protocol type (TCP/ UDP/ ICMP/ IP)
Port Range Set the filter Port range
Src Address Set source address. It can be a single IP address or use * as a wild
card. For example: 192.168.1.14 or *.*.*.14.
Dest Address Set destination address. It can be a single IP address or use * as a
wild card. For example: 192.168.1.14 or *.*.*.14.
Src Mask
Set the
source address mask. For example: 255.255.255.255 points to
one host while 255.255.255.0 points to a C type network.
Dest Mask
Set the
destination address mask. For example: 255.255.255.255
points to one host while 255.255.255.0 points to a C type network.