Netopia 4752 - Manual (Page 195)

Security 13-23
Example IP filter set screen
This is an example of the Netopia IP filter set screen:
Filter basics
In the source or destination IP address fields, the IP address that is entered must be the network address of
the subnet. A host address can be entered, but the applied subnet mask must be 32 bits (255.255.255.255).
The Netopia 4752 has the ability to compare source and destination TCP or UDP por ts. These options are as
follows:
Item What it means
No Compare Does not compare TCP or UDP por t
Not Equal To Matches any por t other than what is defined
Less Than Anything less than the por t defined
Less Than or Equal Any por t less than or equal to the por t defined
Equal Matches only the por t defined
Greater Than or Equal Matches the por t or any por t greater
Greater Than Matches anything greater than the por t defined
Change Filter
Enabled: Yes
Forward: No
Source IP Address: 0.0.0.0
Source IP Address Mask: 0.0.0.0
Dest. IP Address: 0.0.0.0
Dest. IP Address Mask: 0.0.0.0
Protocol Type: TCP
Source Port Compare... No Compare
Source Port ID: 0
Dest. Port Compare... Equal
Dest. Port ID: 2000
Established TCP Conns. Only: No
Return/Enter accepts * Tab toggles * ESC cancels.
Enter the IP specific information for this filter.