Cloudflare has launched ‘Is BGP Safe Yet’, a Site that makes it easy for Internet users to check whether their Internet service provider (ISP) has added the security protections & filters that can make BGP more stable.
The Border Gateway Protocol (BGP) is the “postal service” of the Internet. It’s responsible for looking at all of the available paths that data could travel and picking the best route.
Unfortunately, it isn’t secure, resulting in some major Internet disruptions of late. A BGP hijack occurs when a malicious node deceives another node, lying about what the routes are for its neighbors. Without any security protocols, this misinformation can propagate from node to node, until a large number of nodes now know about, & attempt to use these incorrect, nonexistent, or malicious routes.
To tackle this, there’s Resource Public Key Infrastructure (RPKI), a security framework method that associates a route with an autonomous system. The basic idea is that RPKI uses cryptography to provide nodes with a way of doing this validation.
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