Creating DNS Whitelists
A DNS whitelist is used in conjunction with a
captive portal to provide access services to wireless clients. Use the whitelist to
create a set of allowed destination IP addresses within the captive portal. To
effectively host hotspot pages on an external Web server, the IP address of the
destination Web server(s) should be in the whitelist.
To define the
whitelist:
-
Select .
The upper, left-hand, side
of the user interface displays a Services menu pane where Captive Portal, DHCP
and RADIUS configuration options can be selected.
-
Select Captive Portals.
The Captive Portal screen displays the
configurations of existing policies. New policies can be created, existing
policies can be modified or existing policies deleted.
-
Select DNS Whitelist.
The DNS Whitelist screen
displays.
-
Review the names of existing whitelists. Click Add to
create a new whitelist entry, or select an existing whitelist and click
Edit to modify it.
-
Use the DNS Whitelist parameter to create a set of
allowed destination IP addresses.
To effectively host pages on an external Web server, the IP address of the
destination Web server(s) should be in the whitelist.
-
Refer to the drop-down menu of existing whitelist entries to select a policy to
be applied to this captive portal policy.
If no entries exist, select the Create or Edit icons and do the
following:
-
If creating a new whitelist, assign it a name up to 32 characters.
Select the + Add Row button to
populate the whitelist with Host and IP Index values.
-
Provide a Hostname or numeric IPv4 Address or IPv6 Address within the
DNS Entry parameter for each destination IP
address or host included in the whitelist. .
IPv6 formatted addresses are composed of eight groups of four
hexadecimal digits separated by colons
-
Use the Match Suffix parameter to match any
hostname or domain name as a suffix.
The default setting is disabled.
-
If necessary, select the radio button of an existing whitelist entry
and select the - Delete icon to remove the entry
from the whitelist.