Topic

Carrier-grade NAT

Address-sharing arrangement in which an internet or mobile provider places many subscribers behind a small number of public IPv4 addresses, so one address represents thousands of distinct users.

Current clusters

build1 publisher

Residential proxy pools are pushing edge defence down to the TCP handshake

A dev.to teardown argues static IP blocklists cannot survive CGNAT and 100,000-address proxy pools, so edge defence moves to the fields a kernel writes into the first SYN: initial window, MSS, option ordering.

Publishers:dev.to

Reality

Evidence42
Adoption: Insufficient
Hype gap+35
Incentives: Insufficient
Confidence40