Security 13-23Example IP filter set screenThis is an example of the Netopia IP filter set screen:Filter basicsIn the source or destination IP address fields, the IP address that is entered must be the network address ofthe subnet. A host address can be entered, but the applied subnet mask must be 32 bits (255.255.255.255).The Netopia 4753 has the ability to compare source and destination TCP or UDP ports. These options are asfollows:Item What it meansNo Compare Does not compare TCP or UDP portNot Equal To Matches any port other than what is definedLess Than Anything less than the port definedLess Than or Equal Any port less than or equal to the port definedEqual Matches only the port definedGreater Than or Equal Matches the port or any port greaterGreater Than Matches anything greater than the port definedChange FilterEnabled: YesForward: NoSource IP Address: 0.0.0.0Source IP Address Mask: 0.0.0.0Dest. IP Address: 0.0.0.0Dest. IP Address Mask: 0.0.0.0Protocol Type: TCPSource Port Compare... No CompareSource Port ID: 0Dest. Port Compare... EqualDest. Port ID: 2000Established TCP Conns. Only: NoReturn/Enter accepts * Tab toggles * ESC cancels.Enter the IP specific information for this filter.
