Unquoted unspecified IPv6 bind_host turns into ""

[EugeneOne1]

Prerequisites

• I have checked the Wiki and Discussions and found no answer

• I have searched other issues and found no duplicates

• I want to report a bug and not ask a question

Operating system type

Other (please mention in the description)

CPU architecture

Other (please mention in the description)

Installation

Other (please mention in the description)

Setup

On one machine

AdGuard Home version

v0.108.0-b.34

Description

What did you do?

Put :: into bind_host and/or dns.bind_hosts of yaml configuration. Run AdGuard Home.

Expected result

The value left unchanged.

Actual result

The value turns into "".

Additional information

AdGuard Home also accepts the "" value and interprets it as unspecified IPv6 for some reason.