TRB245 DNS

From Teltonika Networks Wiki
Revision as of 16:23, 7 December 2020 by Dziugas (talk | contribs)

(diff) ← Older revision | Approved revision (diff) | Latest revision (diff) | Newer revision → (diff)
Main Page > TRB Gateways > TRB245 > TRB245 Manual > TRB245 WebUI > TRB245 Network section > TRB245 DNS

The information in this page is updated in accordance with firmware version TRB2_R_00.07.01.

Summary[edit source]

The DNS page is used to to set up how the device utilizes its own and other DNS servers.

This manual page provides an overview of the DNS windows in TRB245 devices.

If you're having trouble finding this page or some of the parameters described here on your device's WebUI, you should turn on "Advanced WebUI" mode. You can do that by clicking the "Basic" button under "Mode", which is located at the top-right corner of the WebUI.

Networking trb2 manual webui basic advanced mode.gif

General Settings[edit source]

The General Settings section is used to set up the main DNS parameters. Refer to the table below for information on each configuration field.

Networking rutos manual dns general settings.png

Field Value Description
Log queries off | on; default: off When enabled, write received DNS requests to syslog.
DNS forwardings string; default: none List of DNS servers to forward requests to.
Rebind protection off | on; default: on Discards upstream RFC1918 responses. When enabled, the device will not resolve domain names for internal hosts.
Local Service Only off | on; default: off Limit DNS service to subnets and interfaces on which this device is serving as a DNS server.
Listen Interfaces network interface(s); default: none Limits listening for DNS queries to interfaces specified in this field and loopback. Leave empty to listen on all interfaces.
Exclude Interfaces network interface(s); default: none Prevents listening for DNS queries on interfaces specified in this field. Leave empty to listen on all interfaces.

Advanced Settings[edit source]

The Advanced Settings section is used to set up some of the more specific DNS parameters. Refer to the table below for information on each configuration field.

Networking rutos manual dns advanced settings.png

Field Value Description
Filter private off | on; default: on Do not forward reverse lookups for local networks.
Localise queries off | on; default: on Localise hostname depending on the requesting subnet if multiple IPs are available.
Additional servers file text file; default: none Uploads an additional DNS servers file. This file may contain lines like 'server=/domain/1.2.3.4' or 'server=1.2.3.4' for domain-specific or full upstream DNS servers.
Size of DNS query cache integer [0..10000]; default: none Number of cached DNS entries. Set to 0 for no caching.