151
Firewall Tutorial
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).
Netopia Firmware Version 7.6 has the ability to compare source and destination TCP or
UDP por ts. These options are as follows:
Example network
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
Data
Internet
IP 200.1.1.??
Input Packet
Filter
Summary of Contents for 3342
Page 1: ...Netopia Software User Guide April 2006 Netopia 2200 and 3300 Series Gateways Version 7 6 ...
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Page 150: ...150 Example filter set page This is an example of the Netopia filter set page ...
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