Summary – Netopia R5300 User Manual

Page 260

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C-8 User’s Reference Guide

Within expor ted ser vices is a pop-up list of well-known TCP and UDP ser vices that can be redirected to a single
host on the Netopia R5000 Series Router’s LAN inter face. There is also an Other... option that allows for
manual configuration of additional TCP or UDP por ts. You can define a total of 32 expor ted ser vices.

When a par ticular type of ser vice is redirected to an IP address, that ser vice is removed from the pop-up list,
since only one type of ser vice can be redirected to a single host. However several different types of ser vices
can be redirected to a single or multiple hosts. For example, por t 80 (WWW ser ver) could be redirected to
192.168.5.3 on the Netopia R5000 Series Router’s LAN inter face, and por t 23 (Telnet) can be redirected to
that same host.

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NAT is a power ful feature of the Netopia R5000 Series Router and when used and set up properly can yield a
secure network while only using one IP address on the WAN inter face. Note that the addresses listed in this
appendix are for demonstration purposes only. Do not use these addresses when configuring your local
network.

Add Exported Service
+-Type------Port--+
+-----------------+
Service... | ftp 21 |
| telnet 23 |
| smtp 25 |
Local Server's IP Address: | tftp 69 |
| gopher 70 |
| finger 79 |
| www-http 80 |
| pop2 109 |
| pop3 110 |
| snmp 161 |
| timbuktu 407 |
| pptp 1723 |
| irc 6667 |
| Other... |
+-----------------+

ADD EXPORT NOW CANCEL

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