ZyXEL Communications ZyWall 35 Support Notes page 29

Rule 3 (Many-to-One type) to map the other clients to IGA3 (200.1.1.3).
Rule 4 (Server type) to map a web server and mail server with ILA3 (192.168.1.20) to IGA3. Type
Server allows us to specify multiple servers, of different types, to other machines behind NAT on
the LAN.
Rule 1 Setup: Select One-to-One type to map the FTP Server 1 with ILA1 (192.168.1.10) to IGA1 (200.1.1.1).
Rule 2 Setup: Selecting One-to-One type to map the FTP Server 2 with ILA2 (192.168.1.11) to IGA2
(200.1.1.2).
Rule 3 Setup: Select Many-to-One type to map the other clients to IGA3.
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ZyWALL 35 Support Notes
29