By modifying the nginx conf file, you can easily customize the HTTP Header.
Nginx uses the ngx_headers_more module to add and delete outbound and inbound Header information. By default, this module is not added to the source code of Nginx. If you want to use related functions, you need to add this module when compiling Nginx. Nginx in my server did not add this module when compiling. Use -V to view the current Nginx compilation parameters:
[root@z-dig ~]# nginx -V nginx version: www.z-dig.com built by gcc 4.4.7 20120313 (Red Hat 4.4.7-16) (GCC) built with OpenSSL 1.0.1e-fips 11 Feb 2013 TLS SNI support enabled configure arguments: --prefix=/usr/local/nginx --user=www --group=www \ --with-http_ssl_module --with-http_stub_status_module [root@z-dig ~]#
Download the module from the official website:
[root@z-dig ~]# cd /usr/local/src/ [root@z-dig src]# wget 、https://codeload.github.com/openresty/headers-more-nginx-module/zip/master\ -O ./headers-more-nginx-module-master.zip [root@z-dig src]# unzip headers-more-nginx-module-master.zip
Before recompiling Nginx, request www. Header information of z-dig.com:
[root@KVM ~]# curl -I www.z-dig.com HTTP/1.1 200 OK Server: www.z-dig.com Date: Sat, 23 Apr 2016 11:25:15 GMT Content-Type: text/html; charset=UTF-8 Connection: keep-alive X-Powered-By: PHP/5.6.17 Vary: Accept-Encoding, Cookie Cache-Control: max-age=3, must-revalidate WP-Super-Cache: Served supercache file from PHP [root@KVM ~]#
Now recompile Nginx and update smoothly:
[root@z-dig ~]# cd /usr/local/src/nginx [root@z-dig nginx]# make clean rm -rf Makefile objs [root@z-dig nginx]#./configure --prefix=/usr/local/nginx --user=www --group=www \ --with-http_ssl_module --with-http_stub_status_module \ --add-module=/usr/local/src/headers-more-nginx-module-master [root@z-dig nginx]# make [root@z-dig nginx]# make install [root@z-dig nginx]# kill -s USR2 `cat /usr/local/nginx/logs/nginx.pid` [root@z-dig nginx]# ps -ef|grep nginx root 2017 1 0 Apr21 ? 00:00:00 nginx: master process /usr/local/nginx/sbin/nginx www 2018 2017 0 Apr21 ? 00:00:30 nginx: worker process root 21717 2017 0 19:41 ? 00:00:00 nginx: master process /usr/local/nginx/sbin/nginx www 21718 21717 0 19:41 ? 00:00:00 nginx: worker process root 21856 18312 0 19:45 pts/2 00:00:00 grep nginx [root@z-dig nginx]# kill -s WINCH `cat /usr/local/nginx/logs/nginx.pid.oldbin` [root@z-dig nginx]# ps -ef|grep nginx root 2017 1 0 Apr21 ? 00:00:00 nginx: master process /usr/local/nginx/sbin/nginx root 21717 2017 0 19:41 ? 00:00:00 nginx: master process /usr/local/nginx/sbin/nginx www 21718 21717 0 19:41 ? 00:00:00 nginx: worker process root 21943 18312 0 19:49 pts/2 00:00:00 grep nginx [root@z-dig nginx]# kill -s QUIT `cat /usr/local/nginx/logs/nginx.pid.oldbin` [root@z-dig nginx]# ps -ef|grep nginx root 21717 1 0 19:41 ? 00:00:00 nginx: master process /usr/local/nginx/sbin/nginx www 21718 21717 0 19:41 ? 00:00:00 nginx: worker process root 22050 18312 0 19:54 pts/2 00:00:00 grep nginx [root@z-dig nginx]#
At this point, Nginx has been recompiled and smoothly upgraded successfully.
Add code to the Nginx configuration file to delete the X-Powered-By and WP-Super-Cache in the header returned by the previously requested website:
more_clear_headers 'X-Powered-By'; more_clear_headers 'WP-Super-Cache'; [root@z-dig ~]# nginx -t nginx: the configuration file /usr/local/nginx/conf/nginx.conf syntax is ok nginx: configuration file /usr/local/nginx/conf/nginx.conf test is successful [root@z-dig ~]# nginx -s reload
Request again to see the effect:
[root@KVM ~]# curl -I www.z-dig.com HTTP/1.1 200 OK Server: www.z-dig.com Date: Sat, 23 Apr 2016 12:03:04 GMT Content-Type: text/html; charset=UTF-8 Connection: keep-alive Vary: Accept-Encoding, Cookie Cache-Control: max-age=3, must-revalidate [root@KVM ~]#
After testing, the header specified information in the request return has been successfully deleted. To learn about other functions of ngx_headers_more, please visit the project official website.
The above is the detailed content of How to define Header header information through Nginx. For more information, please follow other related articles on the PHP Chinese website!

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The main architecture difference between NGINX and Apache is that NGINX adopts event-driven, asynchronous non-blocking model, while Apache uses process or thread model. 1) NGINX efficiently handles high-concurrent connections through event loops and I/O multiplexing mechanisms, suitable for static content and reverse proxy. 2) Apache adopts a multi-process or multi-threaded model, which is highly stable but has high resource consumption, and is suitable for scenarios where rich module expansion is required.

NGINX is suitable for handling high concurrent and static content, while Apache is suitable for complex configurations and dynamic content. 1. NGINX efficiently handles concurrent connections, suitable for high-traffic scenarios, but requires additional configuration when processing dynamic content. 2. Apache provides rich modules and flexible configurations, which are suitable for complex needs, but have poor high concurrency performance.

NGINX and Apache each have their own advantages and disadvantages, and the choice should be based on specific needs. 1.NGINX is suitable for high concurrency scenarios because of its asynchronous non-blocking architecture. 2. Apache is suitable for low-concurrency scenarios that require complex configurations, because of its modular design.

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NGINXUnit is better than ApacheTomcat, Gunicorn and Node.js built-in HTTP servers, suitable for multilingual projects and dynamic configuration requirements. 1) Supports multiple programming languages, 2) Provides dynamic configuration reloading, 3) Built-in load balancing function, suitable for projects that require high scalability and reliability.

NGINXUnit improves application performance and manageability with its modular architecture and dynamic reconfiguration capabilities. 1) Modular design includes master processes, routers and application processes, supporting efficient management and expansion. 2) Dynamic reconfiguration allows seamless update of configuration at runtime, suitable for CI/CD environments. 3) Multilingual support is implemented through dynamic loading of language runtime, improving development flexibility. 4) High performance is achieved through event-driven models and asynchronous I/O, and remains efficient even under high concurrency. 5) Security is improved by isolating application processes and reducing the mutual influence between applications.


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