BGP hijacking remains a critical threat to internet infrastructure, where malicious actors reroute traffic by announcing false IP prefixes. This post explains the mechanics of such attacks, including prefix hijacking and path manipulation, and discusses carrier-grade security measures like RPKI, BGPsec, and IRR filtering. For network engineers and security teams, understanding these concepts is essential for maintaining routing integrity. The article also touches on real-world incidents and how ISPs can implement robust defenses. While the original post is in Chinese, the technical content is universally applicable, making it a valuable resource for global audiences interested in routing security.
A comprehensive guide to BGP hijacking attacks, detection, and mitigation for network professionals.