Filter
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11-24 User’s Reference Guide
Example filter set screen
This is an example of the Netopia 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 4541/4542 has the ability to compare source and destination TCP or UDP ports. These options
are as follows:
Item What it means
No Compare Does not compare TCP or UDP port
Not Equal To Matches any port other than what is defined
Less Than Anything less than the port defined
Less Than or Equal Any port less than or equal to the port defined
Equal Matches only the port defined
Greater Than or Equal Matches the port or any port greater
Greater Than Matches anything greater than the port defined
Change Input Filter 1
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