Fanvil I20-T, Руководство пользователя

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b) FIREWALL
Firewall
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
Firewall Rules Settings
Enable Input
Rules
Enable rules limiting access from the Internet.
Enable Output
Rules
Enable rules limiting access to the Internet.
Firewall Settings
Input / Output Specify if the current rule is input or output.
Deny/Permit Specify if the current rule is Deny or Permit.
Protocol type Filter protocol type (TCP/ UDP/ ICMP/ IP)
Port Range Set the filter Port range
Source 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.
Destination
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.