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Trouble is, internet exchanges are often flat insecure layer 2 networks that operate on trust. Anyone on that network can suddenly decide to advertise anyone el
by subway 8y ago
Trouble is, internet exchanges are often flat insecure layer 2 networks that operate on trust. Anyone on that network can suddenly decide to advertise anyone else's address space, and start receiving traffic.
- walrus01 8y agoShitty IXes, maybe. At a proper one a single IP address belonging to the exchange, which will be assigned to the router port of one member, is only allowed to appear from a specific single MAC address, and specific port on the ix switch, which corresponds with a physical fiber cross connect that matches a specific patch panel port.