Руководство Пользователя для Netopia 4741 2a4na

This is an example of the Netopia IP filter set screen:

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 4741 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.