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People (like ISPs offering routers) set up NAT, often justifying it on the basis of security. Application developers use hole-punching techniques to get past NA
by beeflet 2y ago
People (like ISPs offering routers) set up NAT, often justifying it on the basis of security. Application developers use hole-punching techniques to get past NAT (including stuff like UPnP that requires cooperation from the NAT).
The end product is:
#1 A sandboxing system that cannot reliably sandbox.
#2 A connection system that cannot reliably connect.
So now you have two problems.
- dev_hugepages 2y agoNAT is not a security measure but a way to save on IP space or avoid remaking a topology on network addresses changes. For actual security you need a firewall