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coredns.io/content/plugins/bind.md
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Miek GiebenandGitHub 4f7a3ee90f 1.2.0 release blog (#98)
* 1.2.0 release blog

Signed-off-by: Miek Gieben <miek@miek.nl>

* slightly better

Signed-off-by: Miek Gieben <miek@miek.nl>
2018-07-11 11:29:17 +01:00

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+++
title = "bind"
description = "*bind* overrides the host to which the server should bind."
weight = 3
tags = [ "plugin", "bind" ]
categories = [ "plugin" ]
date = "2018-07-11T10:14:28.425729"
+++
## Description
Normally, the listener binds to the wildcard host. However, you may want the listener to bind to
another IP instead.
If several addresses are provided, a listener will be open on each of the IP provided.
Each address has to be an IP of one of the interfaces of the host.
## Syntax
~~~ txt
bind ADDRESS ...
~~~
**ADDRESS** is an IP address to bind to.
When several addresses are provided a listener will be opened on each of the addresses.
## Examples
To make your socket accessible only to that machine, bind to IP 127.0.0.1 (localhost):
~~~ corefile
. {
bind 127.0.0.1
}
~~~
To allow processing DNS requests only local host on both IPv4 and IPv6 stacks, use the syntax:
~~~ corefile
. {
bind 127.0.0.1 ::1
}
~~~
If the configuration comes up with several *bind* directives, all addresses are consolidated together:
The following sample is equivalent to the preceding:
~~~ corefile
. {
bind 127.0.0.1
bind ::1
}
~~~