MahsaNG

github.com/GFW-knocker/MahsaNG VPNs Open-source projectOpen source

MahsaNG adds fragmentation, DNS over HTTPS, rotating configurations, and free VPN servers to a V2RayNG-based app.

github.com/GFW-knocker/MahsaNG
MahsaNG homepage screenshot

About MahsaNG

MahsaNG is a V2RayNG-based VPN client whose repository describes it as aiming to provide free VPN access. It adds TLS fragmentation, DNS over HTTPS, HTTP and WebSocket fake host handling, rotating configurations, and random subdomains to the V2RayNG base. Free servers come from user-donated configurations that are monitored and redistributed to clients based on feedback per subnet IP, and it is described as a client of the Segaro_Dream project with central servers used for authentication and config refinement. The repository includes an Android library and links to a Google Play download, and it is published as open source.

A limitation stated in the README is that a standalone APK cannot be built directly from the source: the classes used to encrypt configs and to authenticate with the Mahsa server are closed to prevent leakage or abuse of donated configs. The rest of the bypass technology is published in Mahsa Xray-Core. A separate fully open-source fork, NikaNG, builds with Mahsa Xray-core and is offered for developers.

Key features

  • TLS fragmentor and DoH for filtering bypass
  • Rotating configurations and random subdomain selection
  • HTTP and WebSocket fake host support
  • Free VPN servers from user-donated configurations
  • Donated configs redistributed based on per-subnet client feedback
  • Automatic reporting to central servers to refine config collections
Best for: Users on filtered networks who want a free V2Ray-based client, and developers who prefer the fully open-source NikaNG fork with Mahsa Xray-core.
Good for
  • Published as open source with a fully open-source NikaNG fork
  • Adds fragmentation, DoH, fake host and rotating config options over V2RayNG
  • Free server pool is supplied by donated configurations
Watch out for
  • A standalone APK cannot be built directly from the source
  • Config encryption and server authentication code is closed
  • Free access depends on donated configs and central server infrastructure

MahsaNG 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

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MahsaNG FAQ

Can I build MahsaNG from source?
Not as a standalone APK. Parts used for encrypting configs and authenticating with the Mahsa server are closed; the NikaNG fork builds fully from source with Mahsa Xray-core.
Where do the free VPN servers come from?
Users share their unused VPS bandwidth as configs; donated configs are monitored and redistributed based on client feedback in each subnet IP.
How does MahsaNG differ from v2rayNG?
It adds DNS over HTTPS, a TLS fragmentor, HTTP and WS fake host, rotating configs, random subdomain, and provider advertising as an income option instead of direct selling.
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