Category: Web

Sometimes for security reasons, we want to block user access to files with specific extensions. Below we’ll cover the blocking method in Nginx; once configured, front-end access will directly return a 403 status code.

Sample code is as follows:
location ~ .*/.(jsp|php|asp|aspx|sql|dmp)$ {
…

Note: This file is the nginx configuration file nginx.conf. Settings here take effect globally. Please define the relevant variable names in your program in advance, and enable the access.log writing feature in nginx (enabled by default). 1. Enable underscore support (by default, underscores in variables are not recognized): vi /usr/local/nginx/conf/ngin …

Recently while working on a WeChat Mini Program, I ran into an issue: the TLS version must be greater than 1.2
Here’s how to fix it:

It’s common knowledge that WeChat Mini Programs only support HTTPS, so I won’t go into SSL configuration here. Below, using my Nginx setup as an example, I’ll show you how to resolve the TLS version requirement: vi /usr/local/nginx/conf/vhost/www. …

Note: The goal is to require visitors to enter a username and password before accessing the site.
The ngx_http_auth_basic_module allows access to web content only when the correct username and password are entered. Some content on the web is not meant for public viewing, but you still want to share it with a select group …

The system had tengine and the Yunsuo protection module installed and running normally, but recently tengine (nginx) has been misbehaving on restart 鈥?the backend is unreachable, and nginx has no worker processes, only a master process.

Checking the nginx logs shows large numbers of the following errors:

2016/09/18 …

Today, we ran into some issues on the project: the frontend uses a Tengine server to health-check the backend, and after restarting the Tengine server, it took a long time to return to normal.

So I checked the error logs and system information, and the symptoms were as follows:

1. The nginx error log showed:
worker process xxx exited on signal 1 …