DPI Traffic Analysis Technologies & TCP/TLS Packet Fragmentation Optimization: Architectural Breakdown of zapret2 v1.0.5.2 (bol-van) and ByeByeDPI (romanvht)
In-depth network engineering research on Deep Packet Inspection (DPI / NGFW) state machines: second-generation standalone tool zapret2 v1.0.5.2 by bol-van (nfqws2, winws2, dynamic Lua strategy scripting) and userspace ByeByeDPI by romanvht (ciadpi).