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FS#3384 - Description of "Local Service Only" in dhcp and dns page is confusing #8248

openwrt-bot opened this issue Oct 13, 2020 · 2 comments


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openwrt-bot commented Oct 13, 2020


  • Background

On the "DHCP and DNS" page of the graphical UI (LuCI), there is an option named "Local Service Only" with a description of the option. The option reads as follows:

"Limit DNS service to subnets interfaces on which we are serving DNS."

This is a very confusing description of whatever it is this option is intended to do. For comparison, this is a bit like saying "Delivery of food is only provided in locations where we provide food delivery."

There is an option in dnsmasq called "no-dhcp-interface" whose description is similar to the one provided for the option in question here; I am guessing that this might have been the intended treatment.

  • Version of openwrt:

OpenWrt 19.07.4 r11208-ce6496d796

  • Steps to reproduce:

See the option labeled "Local Service Only" on the LuCI page for "DHCP and DNS"

  • Expected results:

Option description should match an option or combination of options available in dnsmasq in a clear, non-circular fashion.

  • Actual results:

Uncertainty as to what this option is supposed to do, written in an obvious and intuitive manner.

  • Workaround:

Avoiding any use of this option until its meaning is clarified in the description.

  • Additional:

It may be that the intention was to implement something like the no-dhcp-interface option of dnsmasq. I cannot tell from the UI, but the description as it stands seems to indicate that. Hopefully, clarifying what this option actually does do will help avoid confusing user support issues.

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openwrt-bot commented Jul 22, 2021


The option seems to do:
Force Local DNS Server

And it could be having this description:
Redirect all DNS queries from devices on LAN to the Openwrt's local DNS Server.

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openwrt-bot commented Jan 30, 2022


thenewnano: Sounds much better than what is currently. Thanks for clarifying it. Hopefully devs will see this and update the openwrt web server.

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