Cloudflare protection for all your cardinal directions
As the Internet becomes the new corporate network, traditional definitions within corporate networking are becoming blurry. Concepts of the corporate WAN, “north/south” and “east/west” traffic, and private versus public application access dissolve and shift their meaning as applications shift outside corporate data center walls and users can access them from anywhere. And security requirements for all of this traffic have become more stringent as new attack vectors continue to emerge.
The good news: Cloudflare’s got you covered! In this post, we’ll recap how definitions of corporate network traffic have shifted and how Cloudflare One provides protection for all traffic flows, regardless of source or destination.
North, south, east, and west traffic
In the traditional perimeter security model, IT and network teams defined a “trusted” private network made up of the LANs at corporate locations, and the WAN connecting them. Network architects described traffic flowing between the trusted network and another, untrusted one as “north/south,” because those traffic flows are typically depicted spatially on network diagrams like the one below.
Connected north/south networks could be private, such as one belonging to a partner company, or public like the Internet. Security teams made sure all north/south traffic flowed through one or Continue reading
