Kerio Tech KERIO WINROUTE FIREWALL 6 User Manual

Page 109

Advertising
background image

8.1 DNS module

109

queries concerning names and reversed queries are independent from each other. For better

reference, it is recommended to start with all rules concerning queries for names and continue

with all rules for reversed queries, or vice versa.

Click on the Add or the Edit button to open a dialog where custom DNS forwarding rules can

be defined.

Figure 8.4

DNS forwarding — a new rule

The Name DNS query option allows specification of a rule for name queries. Use the If

the queried name matches entry to specify a corresponding DNS name (name of a host

in the domain).

It is usually desirable to forward queries to entire domains rather than to specific

names. Specification of a domain name may therefore contain * wildcard symbol
(asterisk — substitutes any number of characters) and/or ? (question mark — substi-

tutes a single character). The rule will be applied to all names matching with the string

(hosts, domains, etc.).

Example:

DNS name will be represented by the string ?erio.c*. The rule will be applied to all
names in domains kerio.com, cerio.com, aerio.c etc., such as on www.kerio.com,

secure.kerio.com

, www.aerio.c, etc.

Advertising