that means, if the value of $http_upgrade is null or that variable doesn't
exist, the value of $connection_upgrade will set to "close", or it will set
to "upgrade" in the other cases.
the $http_upgrade is the value of the "Upgrade" header in the client
request.
Posted at Nginx Forum:
https://for
why no just pass the $http_upgrade and $http_connection headers to the
backend? like conf bellow:
proxy_set_header Upgrade $http_upgrade
proxy_set_header Connection $http_Connection
and if i set the Connection header to "upgrade" permanently, does it make
any harm?
Posted at Nginx Forum:
https:/
The map is similar to $connection_upgrade = ($http_upgrade == '') ? 'close' :
'upgrade';
Each line in a map is a match and a value with default being used if nothing
matches.
/Michael Salmon
SE KI73 03 366 (OLC: 9FFVCX53+C5Q8)
+46 722 184 909
> On 4 Jul 2017, at 16:37:37, Dan Edwards wrote:
>
Hello:
Need help understanding this piece of Nginx configuration:
===
map $http_upgrade $connection_upgrade {
default upgrade;
'' close;
}
===
What does the last line mean?
TIA,
--
-Dan Edwards-
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