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. |
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Enable Output Rules | Enable rules limiting access to the Internet. |
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Input/Output | Specify if the current rule is input or output. |
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Deny/Permit | Specify if the current rule is Deny or Permit. |
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Protocol | Filter protocol type (TCP/ UDP/ ICMP/ IP) |
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Port Range | Set the filter Port range |
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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. |
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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. |
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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. |
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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. |
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| 72 |
