Mirrors/coredns
1
0
Fork 0
mirror of https://github.com/coredns/coredns.git synced 2025-12-17 07:45:13 -05:00
Code Issues Packages Projects Releases Wiki Activity

plugin/bind: exclude interface or ip address (#4543)

Browse Source 
* plugin/bind: exclude interface or ip address

Signed-off-by: Mohammad Yosefpor <myusefpur@gmail.com>

* fix README.md

Signed-off-by: Mohammad Yosefpor <myusefpur@gmail.com>

* Apply suggestions, Fix test

Signed-off-by: Mohammad Yosefpor <myusefpur@gmail.com>

* Apply suggestions, move errs to setup

Signed-off-by: Mohammad Yosefpor <myusefpur@gmail.com>
This commit is contained in:
Mohammad Yosefpor
2021-03-25 20:08:17 +04:30
committed by GitHub
parent 5b9b079dab
commit ea41dd23a0
4 changed files with 123 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
plugin/bind/README.md
View File

@@ -17,13 +17,25 @@ If the given argument is an interface name, and that interface has serveral IP a
## Syntax
In its basic form, a simple bind uses this syntax:
~~~ txt
bind ADDRESS ...
bind ADDRESS|IFACE ...
~~~
**ADDRESS** is an IP address to bind to.
When several addresses are provided a listener will be opened on each of the addresses.
You can also exclude some addresses with their IP address or interface name in expanded syntax:
~~~
bind ADDRESS|IFACE ... {
except ADDRESS|IFACE ...
}
~~~
* **ADDRESS|IFACE** is an IP address or interface name to bind to.
When several addresses are provided a listener will be opened on each of the addresses. Please read the *Description* for more details.
* `except`, excludes interfaces or IP addresses to bind to. `except` option only excludes addresses for the current `bind` directive if multiple `bind` directives are used in the same server block.
## Examples
To make your socket accessible only to that machine, bind to IP 127.0.0.1 (localhost):
@@ -60,6 +72,16 @@ The following server block, binds on localhost with its interface name (both "12
}
~~~
You can exclude some addresses by their IP or interface name (The following will only listen on `::1` or whatever addresses have been assigned to the `lo` interface):
~~~ corefile
. {
bind lo {
except 127.0.0.1
}
}
~~~
## Bugs
When defining more than one server block, take care not to bind more than one server to the same
@@ -78,4 +100,4 @@ a.bad.example.com {
bad.example.com {
forward . 5.6.7.8
}
```
```