Techniques

Deep Packet Inspection 198 IP-list blocking 79 TLS ClientHello fingerprinting 76 Active probing 62 SNI-based blocking 59 ML / statistical classifier 52 Keyword filtering 51 Traffic-shape / statistical fingerprinting 47 TCP RST injection 46 Packet injection (general) 43 DNS injection / poisoning 37 Website fingerprinting 23 QUIC / HTTP/3 blocking 22 Middlebox / TCP normalization 22 Encrypted ClientHello / ESNI blocking 21 Flow-correlation traffic analysis 21 Fully-encrypted protocol detection 11 Throttling / bandwidth shaping 9 Port-based blocking 6 ASN / prefix blackholing 4 Random / high-entropy payload detection 3 BGP / route manipulation 2