valdikss/goodbyedpi

GoodbyeDPI is a Windows utility that helps you reach websites your internet provider has decided to block. Many providers use a technique called Deep Packet Inspection, or DPI, which lets them look inside your network traffic and selectively stop you from connecting to specific sites. This tool runs in the background, watches your outgoing traffic, and applies small tricks that confuse the DPI system enough to let the connection through, without changing what the destination website actually receives. It handles two flavors of DPI. Passive DPI, where the provider has tapped your line and is racing to reply with a block page before the real site can answer, and Active DPI, where the equipment sits directly in your traffic path. The program offers a long list of techniques: fragmenting HTTP or HTTPS packets so the inspector cannot read the whole request, mangling the case of the Host header, sending decoy fake packets with wrong checksums or wrong sequence numbers, blocking QUIC/HTTP3, and redirecting DNS lookups to a public resolver on a non-standard port so the provider cannot poison name lookups either. A blacklist option lets you apply the tricks only to a chosen list of domains, and numbered modesets like -1 through -9 bundle common combinations into a single flag. You would reach for this when sites are unreachable or interfered with by your ISP and you want a local fix that runs on your own machine. The README ships ready-to-run scripts, one tuned for Russia and a generic one for any country. It requires Windows 7, 8, 8.1, 10 or 11 with administrator privileges.