ATU-R140 ADSL Ethernet USB Router User's Guide
Figure 25 (Dynamic Routing)
The apply button will temporarily save this connection. To make the change permanent you
need to click on Tools (at the top of the page) and select System Commands. At the system
commands page, click on Save All.
4.6.13 Access Control
Open the access from the Internet to the Gateway's management ports (web, telnet).
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