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Update README.md (#2808)

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Minor grammatical fixes.
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Cricket Liu 2019-04-30 10:49:53 -07:00 • committed by Chris O'Haver
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plugin/debug/README.md
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@ -6,11 +6,11 @@
## Description ## Description
Normally CoreDNS will recover from panics, using *debug* inhibits this. The main use of *debug* is Normally CoreDNS will recover from panics; using *debug* inhibits this. The main use of *debug* is
to help testing. A side effect of using *debug* is that `log.Debug` and `log.Debugf` will be printed to help in testing. A side effect of using *debug* is that `log.Debug` and `log.Debugf` messages
to standard output. will be printed to standard output.
Note that the *errors* plugin (if loaded) will also set a `recover` negating this setting. Note that the *errors* plugin (if loaded) will also set a `recover`, negating this setting.
## Syntax ## Syntax
@ -18,7 +18,7 @@ Note that the *errors* plugin (if loaded) will also set a `recover` negating thi
debug debug
~~~ ~~~
Some plugin will debug log DNS messages. This is done in the following format: Some plugins will send debug log DNS messages. This is done in the following format:
~~~ ~~~
debug: 000000 00 0a 01 00 00 01 00 00 00 00 00 01 07 65 78 61 debug: 000000 00 0a 01 00 00 01 00 00 00 00 00 01 07 65 78 61
@ -27,11 +27,11 @@ debug: 000020 00 29 10 00 00 00 80 00 00 00
debug: 00002a debug: 00002a
~~~ ~~~
Using `text2pcap` (part of Wireshark) this can be converted back to binary, with the following Using `text2pcap` (part of Wireshark), this can be converted back to binary, with the following
command line: `text2pcap -i 17 -u 53,53`. Where 17 is the protocol (UDP) and 53 are the ports. These command line: `text2pcap -i 17 -u 53,53`, where 17 is the protocol (UDP) and 53 are the ports. These
ports allow wireshark to detect these packets as DNS messages. ports allow Wireshark to detect these packets as DNS messages.
Each plugin can decide to dump messages to aid in debugging. Each plugin can decide whether to dump messages to aid in debugging.
## Examples ## Examples