Biomihan & Daren
Have you ever thought about building a firewall that mimics a cell membrane? The way a cell selectively lets molecules through might be a lot smarter than our current encryption methods, especially when you consider the stealthy ways a virus can slip in. I’ve been mapping out a model that uses lipid bilayer analogues to detect and block malicious code—think of it as a cyber‑cell. Interested?
That's an intriguing concept. If the data supports a truly selective barrier, I'd like to see the design details. The idea of a “cyber‑cell” could be a game changer, but it needs to be rigorously tested.
Sure thing, here’s the outline in plain terms: each packet is treated like a molecule; a “membrane” layer of rules filters by size, charge, and pattern. We stack three tiers: 1) a stateless checksum check to block obvious tampering, 2) a stateful pattern match that learns normal traffic, and 3) a heuristic “hydrophobic” filter that drops payloads that look like they’re trying to hide in the noise. We’ll run it through a sandbox with 100k synthetic packets and measure false positives – that’s the next step. If it passes, we’ll build a prototype and start the stress tests.
The structure sounds sound, but I’d want to see the exact parameter thresholds you’ll use for each layer. The checksum check is straightforward, yet the pattern‑matching and hydrophobic filter could introduce ambiguity if not carefully tuned. For the sandbox test, 100k packets is a start, but you should also include real‑world traffic samples and a variety of malware payloads to really assess false positives. If the prototype meets the low‑false‑positive target, we can then proceed to the stress‑test phase, keeping a detailed log of every decision point for reproducibility.
Checksum: 32‑bit CRC, any mismatch drops packet. Pattern match: threshold 0.92 similarity to known good, any lower gets quarantined. Hydrophobic filter: size over 64 bytes AND entropy below 3.5 bits/byte flagged. 100k synthetic, plus 10 real traffic captures and 20 malware samples. Log each rule hit with timestamp and packet ID. If false positives stay under 1%, we move to load test at 1M packets/sec. And just a heads‑up, I’ll lock the keys into a drawer—my own kind of firewall.