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I configured Nginx server. However, it is sending the wrong content type. I need to force Nginx to send specific “Content-Type: text/xml; charset=UTF-8“. How do I configure Nginx to override content type for given URL location?
Introduction – MIME is an acronym for Multipurpose Internet Mail Extensions (MIME). It is a standard that indicates the nature and format of a document, file, or assortment of bytes. All web browsers use the MIME type to determine how to process a URL. Hence, it is essential that Nginx send the correct MIME type in the response’s Content-Type header.
How to see Content-Type header
Use the following curl command:curl -I url
curl -I curl -I https://www.cyberciti.biz/media/new/category/old/nginx.gif
Sample outputs:
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HTTP/2 200 date: Mon, 21 Jan 2019 12:07:22 GMT <span style="color: rgb(0, 153, 0);"><strong>content-type</strong>: image/gif</span> content-length: 377 cache-control: max-age=315360000 ... . |
The content-type: image/gif indicates that image and subtype is gif image.
How to find out default mine types in Nginx
Look for config file named mime.types inside nginx config directory:# find /etc/nginx -name mime.types
Use cat command or vi command to view mime.types file:vi /etc/nginx/mime.types
Override content type with Nginx web server
Say when I request atom.xml file, there iscontent-type: text/xml
And I want it to be correct one as follows:Content-Type: content-type: text/html; charset=UTF-8
Again, I used curl command:curl -I https://www.cyberciti.biz/atom/atom.xml
To fix this update your mime.types file:# vi /etc/nginx/mime.types
And make sure following config exists:application/atom+xml atom;
Save and close the file. Reload/restart the Nginx service. For example, GNU/Linux user can run:# systemctl reload nginx
How to force Nginx to send specific Content-Type
Another option is to add the following directly to config file:
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Nginx override content type for URL
It is also possible to override content type for given URL pattern. For example, I edited /etc/nginx/domains/cyberciti.biz/default.conf and added the following in server context:
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Save and close the file. Restart or reload nginx server:# service nginx reload
Test it:curl -I https://www.cyberciti.biz/atom/atom.xml
Conclusion
This page demonstrated how to overwrite default Content-Type in nginx. I strongly suggest that you read this page here and here for more information.
