15
DDNS
15.1 DDNS Overview
Dynamic DNS (DDNS) services let you use a domain name with a dynamic IP address.
15.1.1What You Can Do in the DDNS Screens
•Use the DDNS screen (see Section 15.2 on page 304) to view a list of the configured DDNS domain names and their details.
•Use the DDNS Add/Edit screen (see Section 15.2.1 on page 305) to add a domain name to the ZyWALL or to edit the configuration of an existing domain name.
•Use the DDNS Status screen (see Section 15.2 on page 304) to view the status of the ZyWALL’s DDNS domain names.
15.1.2What You Need to Know About DDNS
DNS maps a domain name to a corresponding IP address and vice versa. Similarly, dynamic DNS maps a domain name to a dynamic IP address. As a result, anyone can use the domain name to contact you (in NetMeeting,
"You must have a public WAN IP address to use Dynamic DNS.
You must set up a dynamic DNS account with a supported DNS service provider before you can use Dynamic DNS services with the ZyWALL. When registration is complete, the DNS service provider gives you a password or key. At the time of writing, the ZyWALL supports the following DNS service providers. See the listed websites for details about the DNS services offered by each.
Table 100 Network > DDNS
DDNS SERVICE | SERVICE TYPES SUPPORTED | WEBSITE | NOTES |
PROVIDER |
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DynDNS | Dynamic DNS, Static DNS, and Custom | www.dyndns.com) |
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| DNS |
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Dynu | Basic, Premium | www.dynu.com |
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| |||
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Peanut Hull | Peanut Hull | www.oray.cn | Chinese website |
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| 303 |
ZyWALL USG 100/200 Series User’s Guide | |
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