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Added DoH support GET/POST #62

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Added DoH support GET/POST #62

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dda80d3
feat: added doh support post/get
prauat Nov 1, 2021
8105583
bugfix: convert table to string using concat in doh post request
prauat Nov 1, 2021
ef0ef25
fix: moved sub query functions to local
prauat Nov 3, 2021
90c5902
fix: added nil check on response
prauat Nov 3, 2021
c3b80c2
fix: changed functions order
prauat Nov 3, 2021
5ecffd5
fix: changed ngx.location.capture to internal simple http client
prauat Nov 16, 2021
13e42fd
fix: opts.doh is now boolean, added opts.doh_method, updated README
prauat Nov 17, 2021
edb1932
fix: DoH method translation from string to ngx constant
prauat Nov 17, 2021
40f7d66
bugfix: number of servers passed to rand
prauat Nov 17, 2021
ddbbe2b
incomplete implementation of any dns request
Sep 30, 2022
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12 changes: 11 additions & 1 deletion README.markdown
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Original file line number Diff line number Diff line change
Expand Up @@ -125,7 +125,7 @@ It accepts a `opts` table argument. The following options are supported:

* `nameservers`

a list of nameservers to be used. Each nameserver entry can be either a single hostname string or a table holding both the hostname string and the port number. The nameserver is picked up by a simple round-robin algorithm for each `query` method call. This option is required.
a list of nameservers to be used. Each nameserver entry can be either a single hostname string, DoH url with optional port or a table holding both the hostname string and the port number. The nameserver is picked up by a simple round-robin algorithm for each `query` method call. This option is required.
* `retrans`

the total number of times of retransmitting the DNS request when receiving a DNS response times out according to the `timeout` setting. Defaults to `5` times. When trying to retransmit the query, the next nameserver according to the round-robin algorithm will be picked up.
Expand All @@ -138,7 +138,17 @@ It accepts a `opts` table argument. The following options are supported:
* `no_random`

a boolean flag controls whether to randomly pick the nameserver to query first, if `true` will always start with the first nameserver listed. Defaults to `false`.
* `doh`

a boolean flag controls whether to use DNS over Https (DoH)

* `doh_method`

type of DoH query possible values are `POST` or `GET` or boolean false, Defaults to nil.
* `doh_bootstrap`

list of nameservers used to perform initial query for IP address of DoH servers.

[Back to TOC](#table-of-contents)

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