add headers / gixy

[siefke_lis...@web.de]

Hi,

I've encountered a blog article on a few add header statements. I had 
done a few online tests and it seems to be consistently ignoring all 
add header specs. I found the tool Gixy and here the same result. 
Now I ask me how do I set the Add header instructions correctly?

Thank you for help
Silvio

----

# gixy /etc/nginx/nginx.conf

==================== Results ===================

>> Problem: [add_header_redefinition] Nested "add_header" drops parent headers.
Description: "add_header" replaces ALL parent headers. See documentation: 
http://nginx.org/en/docs/http/ngx_http_headers_module.html#add_header
Additional info: 
https://github.com/yandex/gixy/blob/master/docs/en/plugins/addheaderredefinition.md
Reason: Parent headers "x-frame-options", "x-xss-protection", 
"x-content-type-options" was dropped in current level
Pseudo config:

include /etc/nginx/sites-enabled/silviosiefke.de.conf;

server {
server_name silviosiefke.de www.silviosiefke.de;
add_header Referrer-Policy no-referrer;
add_header X-Frame-Options SAMEORIGIN always;
add_header X-Content-Type-Options nosniff always;
add_header X-XSS-Protection 1; mode=block always;
add_header Strict-Transport-Security max-age=31536000 always;
add_header Cache-Control no-transform;

include /etc/nginx/inc/basic.conf;

include /etc/nginx/inc/location/expires.conf;

        location ~* \.(?:manifest|appcache|html?|xml|json)$ {
                add_header Cache-Control max-age=0;
        }

        location ~* \.(?:rss|atom)$ {
                add_header Cache-Control max-age=3600;
        }

        location ~* \.(?:jpg|jpeg|gif|png|ico|cur|gz|svg|mp4|ogg|ogv|webm|htc)$ 
{
                add_header Cache-Control max-age=2592000;
        }

        location ~* \.svgz$ {
                add_header Cache-Control max-age=2592000;
        }

        location ~* \.(?:css|js)$ {
                add_header Cache-Control max-age=31536000;
        }

include /etc/nginx/inc/location/cross-domain-fonts.conf;

        location ~* \.(?:ttf|ttc|otf|eot|woff|woff2)$ {
                add_header Cache-Control max-age=2592000;
        }
}
-- 
Silvio Siefke <siefke_lis...@web.de>

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