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Test in 8.6 and clarify turining off IPv6 if needed #732

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Jun 24, 2022
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Test in 8.6 and clarify turining off IPv6 if needed #732

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Binary file added docs/guides/dns/images/dns_filter.png
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10 changes: 8 additions & 2 deletions docs/guides/dns/private_dns_server_using_bind.md
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
title: Bind Private DNS Server
author: Steven Spencer
contributors: Ezequiel Bruni
tested with: 8.5
tested with: 8.5, 8.6
tags:
- dns
- bind
Expand Down Expand Up @@ -76,7 +76,13 @@ If you are not using IPv6, then it's a good idea to turn off IPv6 in _bind_.

This has to be handled in two places. The first place is in the *named.conf* file that we are already in. If you are using IPv6, then you can (and should!) skip adding this line. Again, this can just be added anywhere in the "options" section:

`filter-aaaa-on-v4 yes;`
`filter-aaaa-on-v4 yes;`

This is shown in the image below:

![Add Filter IPv6](images/dns_filter.png)

The reason we would want to turn off IPv6 lookups if we aren't using them is to decrease the latency of the lookup. It's the same reason for turning off listening on localhost at the beginning of our options section. We want our local dns server to react quickly to our requests.

Finally, skip down to the bottom of the *named.conf* file and add a section for your network. Our example is using ourdomain, so sub in what you want to call your LAN hosts:

Expand Down