This video delves into the workings of WebRTC technology and its privacy risks, offering a detailed demonstration on how to disable WebRTC in mainstream browsers like Chrome, Opera, Safari, and Firefox to prevent real IP address leakage. The video begins by highlighting the convenience of WebRTC as an open-source real-time communication technology, then exposes its security vulnerabilities that can bypass network settings and directly reveal a user's local and external IP addresses. Through a step-by-step guide, users will learn various disabling methods, including installing browser extensions and modifying advanced settings, to effectively protect their online privacy. The video also compares the pros and cons of WebRTC, emphasizing the need to be aware of bandwidth consumption and security loopholes while enjoying free and convenient communication. It recommends building a multi-layered protection system in conjunction with proxy tools, making it particularly suitable for professional users who require multi-account management and anti-association operations.