How to configure Nginx reverse proxy under Linux

In addition to preventing vicious attacks from the external network on the intranet server, caching to reduce server pressure and access security control, using a reverse proxy can also perform load balancing and distribute user requests to multiple services.

1. Upgrade the system, uninstall Apache and release port 80

Yum update -y
Yum remove httpd -y

2. Install EPEL repo

rpm -Uvh http://mirror.ancl.hawaii.edu/linux/epel/6/i386/epel-release-6-8.noarch.rpm
EPEL repo下载地址：https://fedoraproject.org/wiki/EPEL

3. Install Nginx and set it up

Install Nginx

yum install nginx -y Adjust Nginx configuration

cd /etc/nginx/conf.d
mv default.conf default.conf.disabled

4. Create Nginx anti-generation configuration file

cd /etc/nginx/conf.d
vi yourdomain.com

Paste the following content:

server {
listen 80;
server_name yourdomain.com;
access_log off;
error_log off;
location / {
proxy_pass http://需要反代的服务器IP/;
proxy_redirect off;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_max_temp_file_size 0;
client_max_body_size 10m;
client_body_buffer_size 128k;
proxy_connect_timeout 90;
proxy_send_timeout 90;
proxy_read_timeout 90;
proxy_buffer_size 4k;
proxy_buffers 4 32k;
proxy_busy_buffers_size 64k;
proxy_temp_file_write_size 64k;
}
}

and save it.

5. Set up the firewall to allow access to port 80

iptables -I INPUT 5 -m state --state NEW -p tcp --dport 80 -j ACCEPT
service iptables save
service iptables restart

6. Start Nginx

service nginx start

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