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serious_angel 7 hours ago

  > The macOS version can make stronger guarantees because it can have more complexity. On Linux, the foundation is eBPF, which is powerful but bounded: it has strict limits on storage size and program complexity. Under heavy traffic, cache tables can overflow, which makes it impossible to reliably tie every network packet to a process or a DNS name.  
  > And reconstructing which hostname was originally looked up for a given IP address requires heuristics rather than certainty. The macOS version uses deep packet inspection to do this more reliably.  
  > That's not an option here.
  > 
  > Source: https://web.archive.org/web/20260409002901/https://obdev.at/products/littlesnitch-linux/index.html
The above feels like an utter AI slop nonsense, sorry. I believe eBPF, the Linux Kernel feature, is absolutely capable for accuracy and perfect processing of network traffic.

Have you ever checked Calico or Cilium, or at least, Oryx?

jiveturkey 7 hours ago | parent [-]

I guess you haven't actually implemented anything in eBPF.

heatpump5n 4 hours ago | parent [-]

Can you elaborate? I thought eBPF was created to be used in high performance scenarios, so I am confused why this shouldn't be posssible.