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acdhalast Thursday at 3:58 PM1 replyview on HN

Blocking IPs hasn’t worked well since the 2000s: if you block CDNs, you’ll find out how many legitimate services use the same CDN.


Replies

zbentleyyesterday at 2:04 AM

Yes. And malicious egress traffic (bad actors or malware exfiltrating data) typically routes to deliberately-unpredictable and constantly changing IPs.

Like, I don't love TLS MITM-ing. It's not a good thing. But it's the least bad of the options available for solving a problem that many people have decided must be solved (regulating behavior on a LAN).