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Pr 586 tweaks (#594)

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* add proxy tcp

* add truncated for tcp to udp response

* move truncation to scrubbing

* add test that executes upstream over tcp

* middleware/proxy: some tweaks

rename force-tcp to force_tcp to be inline with the rest and use
a dnsOptions struct to put the options in to allow it to be extended.
Add some parse tests as well.

* Fix test and rename dnsOptions Options
This commit is contained in:
Miek Gieben
2017-03-14 21:32:21 +00:00
committed by GitHub
parent 5b32a07ae6
commit 5ac6020f45
6 changed files with 94 additions and 7 deletions
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5
middleware/proxy/README.md
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@@ -26,7 +26,7 @@ proxy FROM TO... {
health_check PATH:PORT [DURATION]
except IGNORED_NAMES...
spray
protocol [dns|https_google [bootstrap ADDRESS...]|grpc [insecure|CA-PEM|KEY-PEM CERT-PEM|KEY-PEM CERT-PEM CA-PEM]]
protocol [dns [force_tcp]|https_google [bootstrap ADDRESS...]|grpc [insecure|CA-PEM|KEY-PEM CERT-PEM|KEY-PEM CERT-PEM CA-PEM]]
}
~~~
@@ -71,7 +71,8 @@ Currently `protocol` supports `dns` (i.e., standard DNS over UDP/TCP) and `https
payload over HTTPS). Note that with `https_google` the entire transport is encrypted. Only *you* and
*Google* can see your DNS activity.
* `dns`: no options can be given at the moment.
* `dns`: uses the standard DNS exchange. You can pass `force_tcp` to make sure that the proxied connection is performed
over TCP, regardless of the inbound request's protocol.
* `https_google`: bootstrap **ADDRESS...** is used to (re-)resolve `dns.google.com` to an address to
connect to. This happens every 300s. If not specified the default is used: 8.8.8.8:53/8.8.4.4:53.
Note that **TO** is *ignored* when `https_google` is used, as its upstream is defined as