Category: Web

A couple of days ago, I added a new server to the website, using Alibaba Cloud for Redis, the server itself, MySQL, and so on. After adding it and enabling load balancing, the Nginx logs showed a large number of 499 status errors, all of which were POST requests. The new server environment was identical to the original server, and the original server was working normally. Following online tutorials, I added to the configuration file …

Here we use openresty-1.19.9.1 as an example. yum -y install epel-release perl pcre-devel openssl-devel gcc curl unzip wget zip useradd www cd /home && wget https://mirror.cnop.net/web/openresty/openresty-1.19 …

How to Install the Nginx GeoIP2 Module to Block IPs by Country and City

The GeoIP module for Nginx allows you to block IP addresses by country or city, which is essential for website security. However, it requires manual compilation and installation.
Step 1: Install the GeoIP2 Extension Dependency
yum install libmaxminddb-devel -y
# This library is required for installing ngx_http_geoi …

Using service nginx start throws an error:
nginx.service – SYSV: Nginx is a high-performance web and proxy server.
But directly running the sbin/nginx file in the installation directory works fine.

systemctl status nginx.service che …

Note: Please apply for the domain SSL certificate first.

Here is an Nginx configuration example, using backend port 9501:
server
{
listen 443 ssl ;
server_name send.123.com;
index index.html index.php;
ssl_certificate /www/ssl/send.123.crt ;
ssl …

4-core configuration:
worker_processes 4;
worker_cpu_affinity 0001 0010 0100 1000

8-core configuration:
worker_processes 8;
worker_cpu_affinity 00000001 00000010 00000100 0000100000010000 00100000 01000000 10000000;

Explanation …

Example below, adjust as needed:
server
{
listen 80 ;
server_name api.xxx.com;
index index.html index.php;
root /www/admin/public;
add_header …