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Green Tunnel

github.com/SadeghHayeri/GreenTunnel VPNs Open-source projectOpen source

Use Green Tunnel to bypass deep packet inspection systems that internet providers use to block websites.

Visit Green Tunnel 24 alternatives
github.com/SadeghHayeri/GreenTunnel
Green Tunnel homepage screenshot

About Green Tunnel

Green Tunnel is an open-source anti-censorship utility that runs a local proxy to bypass deep packet inspection systems some ISPs use to block websites by hostname. It splits the TLS ClientHello so the visited hostname does not appear whole in a single packet, and it can resolve DNS over DoH or DoT so the resolver cannot be used to block or observe requests. A system-proxy layer can configure the OS proxy settings and restore them after a crash. The project states it does not hide the user's IP address and is not a VPN; it only defeats hostname-based blocking.

It is available as a command-line tool and library, an Electron desktop app for macOS, Windows and Linux, and a Docker image. The CLI and library require Node.js 24+, while the desktop app and Docker image bring their own runtime. Desktop builds are currently unsigned, so macOS Gatekeeper and Windows SmartScreen may warn on first launch.

Key features

  • Splits TLS ClientHello so the hostname is not sent whole in one packet
  • Encrypted DNS through DoH or DoT, with a plain DNS option
  • Configures system proxy, snapshots settings, and restores them after a crash
  • Cross-platform Electron desktop app with a live log panel
  • CLI options for fragment size, delay, and TLS record framing
  • Available as npm CLI/library and Docker image
Best for: People on networks where an ISP uses DPI for hostname-based website blocking and who need a local bypass without expecting IP address anonymity.
Good for
  • Open-source project with CLI, desktop and Docker distributions.
  • Targets hostname-based DPI blocking by fragmenting TLS ClientHello.
  • System proxy settings are restored after crashes, per the project description.
Watch out for
  • Does not hide the user's IP address and is not a VPN.
  • Only defeats hostname-based blocking, not other forms of censorship.
  • Desktop builds are unsigned, so macOS Gatekeeper and Windows SmartScreen may warn on first launch.

Green Tunnel at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Open source
Yes · Source code
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026
open sourcevpn

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Green Tunnel FAQ

Does GreenTunnel hide my IP address?
No. The project states it does not hide your IP address and is not a VPN.
What kind of blocking does GreenTunnel defeat?
It bypasses deep packet inspection systems used by some ISPs to block access to websites by hostname.
Do the desktop builds require a separate runtime?
No. The desktop app and Docker image bring their own runtime. The CLI and library require Node.js 24+.
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Listing maintained by Chris McClure and the WebIndexly editors · Updated Oct 11, 2026 · How we rank