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User Guide
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port mapping rules such as the Web or FTP at the local site via public IP
addresses can be automatically redirected to local servers confi gured with
private IP addresses. In other words, depending on the requested service
(TCP/UDP port number), the Broadband Router redirects the external
service request to the appropriate server.
Example :
ID
Server IP
Mapping Port Type
Comment
1
192.168.2.20
80
TCP
Web Server
2
192.168.2.12
20
TCP
FTP Server
3
192.168.2.12
21
TCP
FTP Server
4
192.168.2.28
23
TCP
Telnet Server
2-5 Firewall :
The Broadband Router provides extensive fi rewall protection
by restricting connection parameters to limit the risk of hacker attack, and
defending against a wide array of common hacker attacks.
