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Prestige
18.4 Filter Types and NAT
There are two classes of filter rules, Generic Filter Device rules and Protocol Filter (TCP/IP) rules. Generic Filter rules act on the raw data from/to LAN and WAN. Protocol Filter rules act on IP packets.
When NAT (Network Address Translation) is enabled, the inside IP address and port number are replaced on a
18.5 Example Filter
Let’s look at an example to block outside telnet access to the Prestige.
Filter Configuration |