Chapter 43 Object
ZyWALL USG Series User’s Guide
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FQDN - the object uses a FQDN (Fully Qualified Domain Name). An FQDN consists of a host and domain
name. For example, www.zyxel.com is a fully qualified domain name, where “www” is the host, “zyxel” is
the second-level domain, and “com” is the top level domain. mail.myZyxel.com.tw is also an FQDN,
where “mail” is the host, “myZyxel” is the third-level domain, “com” is the second-level domain, and
“tw” is the top level domain.
In an address FQDN object, you can also use one wildcard. For example, *.zyxel.com. An FQDN is
resolved to its IP address using the DNS server configured on the Zyxel Device.
The Address screen provides a summary of all addresses in the Zyxel Device. To access this screen, click
Configuration > Object > Address > Address. Click a column’s heading cell to sort the table entries by
that column’s criteria. Click the heading cell again to reverse the sort order.
Figure 582 Configuration > Object > Address/Geo IP > Address
Table 322 FQDN Example
HTTP:// WWW. ZYXEL. COM
host name second-level domain
name
top-level domain name
FQDN
Uniform Resource Locator (URL)
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