Zyxel ZyWALL 1100 [677/829] Chapter 36 system

Zyxel ZyWALL 110 [677/829] Chapter 36 system
Chapter 36 System
ZyWALL/USG Series User’s Guide
677
Add Click this to create a new entry.
Edit Double-click an entry or select it and click Edit to be able to modify the entry’s settings.
Remove To remove an entry, select it and click Remove. The ZyWALL/USG confirms you want to
remove it before doing so. Note that subsequent entries move up by one when you take
this action.
# This is the index number of the MX record.
Domain Name This is the domain name where the mail is destined for.
IP/FQDN This is the IP address or Fully-Qualified Domain Name (FQDN) of a mail server that
handles the mail for the domain specified in the field above.
Security Option
Control
Click Show Advanced Settings to display this part of the screen. There are two control
policies: Default and Customize.
Edit Click either control policy and then click this button to change allow or deny actions for
Query Recursion and Additional Info from Cache.
Priority The Customize control policy is checked first and if an address object match is not
found, the Default control policy is checked.
Name You may change the name of the Customize control policy.
Address These are the object addresses used in the control policy. RFC1918 refers to private IP
address ranges. It can be modified in Object > Address.
Additional Info
from Cache
This displays if the ZyWALL/USG is allowed or denied to cache Resource Records (RR)
obtained from previous DNS queries.
Query
Recursion
This displays if the ZyWALL/USG is allowed or denied to forward DNS client requests to
DNS servers for resolution.
Service Control This specifies from which computers and zones you can send DNS queries to the
ZyWALL/USG.
Add Click this to create a new entry. Select an entry and click Add to create a new entry after
the selected entry.
Edit Double-click an entry or select it and click Edit to be able to modify the entry’s settings.
Remove To remove an entry, select it and click Remove. The ZyWALL/USG confirms you want to
remove it before doing so. Note that subsequent entries move up by one when you take
this action.
Move To change an entry’s position in the numbered list, select the method and click Move to
display a field to type a number for where you want to put it and press [ENTER] to move
the rule to the number that you typed.
# This the index number of the service control rule. The ordering of your rules is important
as rules are applied in sequence.
The entry with a hyphen (-) instead of a number is the ZyWALL/USG’s (non-configurable)
default policy. The ZyWALL/USG applies this to traffic that does not match any other
configured rule. It is not an editable rule. To apply other behavior, configure a rule that
traffic will match so the ZyWALL/USG will not have to use the default policy.
Zone This is the zone on the ZyWALL/USG the user is allowed or denied to access.
Address This is the object name of the IP address(es) with which the computer is allowed or
denied to send DNS queries.
Action This displays whether the ZyWALL/USG accepts DNS queries from the computer with the
IP address specified above through the specified zone (Accept) or discards them
(Deny).
Table 302 Configuration > System > DNS (continued)
LABEL DESCRIPTION

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