Firewall - Cortelco C56 User Manual

Add
Enable Web Filter
Apply
Note: Once a range is added, it can be modified or deleted.
Note: Be sure that the filter range includes the IP address of the configuration computer.
5.3.7.2

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
Enable Input Rules
Enable Output Rules
Input/Output
Deny/Permit
Protocol
Port Range
Src Address
Add this filter range to the Web Filter Table
Select to enable MMI Filter.
Make filter settings effective.
Firewall Configuration
Enable rules limiting access from the Internet.
Enable rules limiting access to the Internet.
Specify if the current rule is input or output.
Specify if the current rule is Deny or Permit.
Filter protocol type (TCP/ UDP/ ICMP/ IP)
Set the filter Port range
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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Explanation