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zapret

github.com/bol-van/zapret2 Censorship Circumvention Open-source project

zapret2 is anti-DPI software; its repository topics list support-related terms for FreeBSD, Linux, OpenBSD, OpenWrt, and Windows.

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github.com/bol-van/zapret2
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About zapret

zapret2 is anti-DPI software that runs locally without requiring third-party servers. It can help bypass blocks or slowdowns of HTTP(S) sites and signature-based analysis of TCP and UDP protocols, including VPN blocking, and can be used for partial transparent protocol obfuscation.

It is focused on low-power embedded devices such as routers running OpenWrt, and also supports Linux, FreeBSD, OpenBSD, and Windows; MacOS is not supported. Its nfqws2 core handles protocol recognition, reassembly, decryption of parts of some protocols, and filtering, while bypass logic is written as Lua strategies, which requires networking knowledge and basic programming skills.

Key features

  • Operates locally without third-party servers
  • Bypasses HTTP(S) blocks or slowdowns
  • Counters TCP and UDP signature analysis
  • Uses Lua scripts for DPI bypass strategies
  • Supports hostlists, ipsets, profiles and basic filtering
  • Generates arbitrary IPv4/IPv6 traffic for custom protocols
Best for: People with networking knowledge and basic programming skills who want to run and customize DPI bypass strategies on Linux, BSD systems, Windows, or OpenWrt routers.
Good for
  • Works autonomously without connecting to third-party servers
  • Designed for low-power embedded devices such as OpenWrt routers
  • Lets users write and share custom bypass strategies in Lua instead of C
Watch out for
  • MacOS is not supported
  • Not a ready-made solution for beginners and requires technical skill
  • Older bypass methods may stop working as DPI tactics change

zapret at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Open source
Not stated
Language
English
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026
linux

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zapret FAQ

Does zapret2 require third-party servers?
No, it is described as an autonomous tool that does not require connecting to third-party servers.
Which operating systems are supported?
Traditional Linux systems, FreeBSD, OpenBSD, and Windows, with a focus on OpenWrt routers; MacOS is not supported.
How is zapret2 different from zapret1?
zapret2 moves traffic-manipulation logic from C code into Lua-scripted strategies to allow more flexible customization.
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Listing maintained by Chris McClure and the WebIndexly editors · Updated Oct 7, 2026 · How we rank