Digi Connect EZ Mini User Manual page 277

Services
Repeat this step to list additional firewall zones.
4. (Optional) Cache negative responses
By default, the device's DNS server caches negative responses. Disabling this option may
improve performance on networks with transient DNS results, when one or more DNS servers
may have positive results. To disable:
(config)> service dns cache_negative_responses false
(config>
5. (Optional) Query all servers
By default, the device's DNS server queries all available DNS servers. Disabling this option may
improve performance on networks with transient DNS results, when one or more DNS servers
may have positive results. To disable:
(config)> service dns query_all_servers false
(config>
6. (Optional) Rebind protection
By default, rebind protection is disabled. If enabled, this prevents upstream DNS servers from
returning private IP addresses. To enable:
(config)> service dns stop_dns_rebind false
(config)>
7. (Optional) Allow localhost rebinding
By default, localhost rebinding is enabled by default if rebind protection is enabled. This is
useful for Real-time Black List (RBL) servers. To disable:
(config)> service dns rebind_localhost_ok false
(config)>
8. (Optional) Add additional DNS servers
a. Add a DNS server:
(config)> add service dns server end
(config service dns server 0)>
Digi Connect EZ Mini User Guide
Additional Configuration
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any
dynamic_routes
edge
external
internal
ipsec
loopback
setup
(config)>
Configure DNS
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