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IPv6 is the next generation protocol for Internet networking. IPv6 expands on the current Internet Protocol standard known as IPv4. Compared to IPv4, IPv6 offers better addressing, security and other features to support large worldwide networks.

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Is receiving IPv4 connections on AF_INET6 sockets insecure?

Where both IPv4 and IPv6 traffic need to be accepted, listen on two sockets. … What makes a translated IPv4 address less secure than any other IPv6 address? And why does Linux allow such "insecure" behavior? …
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