Rewriting query string

Olaf van der Spek nginx-forum at
Sun Dec 29 09:41:58 UTC 2019

> rewrite ^(.*)$ $1?ra=$remote_addr break;

The ra argument is inserted before the original query string. Is it possible
to append it to the original query string?
Is this behavior documented somewhere? Couldn't find it.
Can one also remove certain arguments from the query string this way?

Posted at Nginx Forum:,286625,286625#msg-286625

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