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Beating TSPU and DPI in 2026: what actually works

This isn't a "top-5 protocols" post — it's how I actually keep nodes alive while everything around them goes red. Let's break down the logic of TSPU as of 2026, not two-year-old manuals that get you flagged in a minute.

Read the theory →

How TSPU thinks in 2026

The main thing to understand: TSPU stopped being about an "IP blacklist" long ago. It's statistics and behavior. It looks at three things:

  1. Handshake fingerprint — what your TLS ClientHello looks like. A rare/malformed uTLS = a flag.
  2. Connection behavior — packet sizes, timings, the up/down ratio. VPN traffic statistically doesn't look like web browsing.
  3. Active probing — it knocks on your port itself and watches whether it responds like a real websi…
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