proxy_pass $arg_uri Do not decode URL

minutero nginx-forum at
Sat Nov 4 06:03:43 UTC 2017

nginx 1.12.2

I have a location rule like this to proxy external images:

        location /imagesproxy {
        proxy_pass $arg_uri;
        proxy_pass_request_headers off;

The problem is that nginx doesn't seems to decode the URI


[error] 16159#16159: *3602114 invalid URL prefix in

Any ideas?

Thank you!

Posted at Nginx Forum:,277191,277191#msg-277191

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