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forward doc update (#4254)

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* forward: add example with multiple DoT upstreams

Remove Bugs section as this is a nice work around.

h/t https://twitter.com/mholt6/status/1284250606673080321

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

* Actually remove bugs section

Signed-off-by: Miek Gieben <miek@miek.nl>
This commit is contained in:
Miek Gieben
2020-11-03 15:32:49 +01:00
committed by GitHub
parent a136b7128b
commit 8759d00edd
1 changed files with 19 additions and 4 deletions
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23
plugin/forward/README.md
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@@ -157,7 +157,7 @@ Proxy everything except `example.org` using the host's `resolv.conf`'s nameserve
} }
~~~ ~~~
Proxy all requests to 9.9.9.9 using the DNS-over-TLS protocol, and cache every answer for up to 30 Proxy all requests to 9.9.9.9 using the DNS-over-TLS (DoT) protocol, and cache every answer for up to 30
seconds. Note the `tls_servername` is mandatory if you want a working setup, as 9.9.9.9 can't be seconds. Note the `tls_servername` is mandatory if you want a working setup, as 9.9.9.9 can't be
used in the TLS negotiation. Also set the health check duration to 5s to not completely swamp the used in the TLS negotiation. Also set the health check duration to 5s to not completely swamp the
service with health checks. service with health checks.
@@ -184,10 +184,25 @@ Or with multiple upstreams from the same provider
} }
~~~ ~~~
## Bugs Or when you have multiple DoT upstreams with different `tls_servername`s, you can do the following:
The TLS config is global for the whole forwarding proxy if you need a different `tls_servername` for ~~~ corefile
different upstreams you're out of luck. . {
forward . 127.0.0.1:5301 127.0.0.1:5302
}
.:5301 {
forward . 8.8.8.8 8.8.4.4 {
tls_servername dns.google
}
}
.:5302 {
forward . 1.1.1.1 1.0.0.1 {
tls_servername cloudflare-dns.com
}
}
~~~
## See Also ## See Also