ZyXEL Communications P-660RU-Tx Series Support Notes page 32

P-660RU-Tx Series Support Note s
Virtual Server Configuration：
Configure an Internal Server behind SUA
P-660RU-Tx
Introduction
If you wish, you can make internal servers (e.g., Web, ftp or mail server)
accessible for outside users, even though SUA makes your LAN appear as a
single machine to the outside world. A service is identified by the port number.
Also, since you need to specify the IP address of a server behind the
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