服务器安全

What is an XSS attack and how to prevent it?

XSS (Cross-Site Scripting), cross-site scripting attack, because the abbreviation overlaps with CSS, it can only be called XSS. Cross-site scripting attack refers to an attack carried out by running illegal HTML tags or JavaScript in the browsers of registered users of web sites with security vulnerabilities

CentOS7 firewalld commonly used commands

Startup, shutdown, view status, start-up enable, start-up disable, rest assured port, load configuration and other common operations, it is recommended to bookmark