Rawline Aggregates VK, MAX, DNS and Other Tunnels into One Multi-Platform VPN Client
Rawline is a new client that brings together multiple VPN protocols and unconventional transport methods in one application for Android, Windows, Linux and macOS. When a single connection method stops working, users often have to switch between separate apps for VLESS, DNS tunnels or call-based transports. The developer decided to consolidate these options into a unified interface.
The project is based on Throne and uses the sing-box and Xray network cores. In addition to standard VPN protocols, Rawline supports non-standard transports through VK and MAX calls, WebRTC, DNS and S3. All connections are managed as ordinary profiles that can be imported via link or QR code, tested for ping, chained together and configured with routing rules for specific applications or domains.
Workability of any particular method under current restrictions must be verified on the user’s own network. A key focus of the project is protection against applications excluded from the VPN tunnel. According to the author, such apps could previously send requests through an unprotected local proxy or directly to the tunnel interface, thereby revealing the server address.
In Rawline the developer removed unnecessary proxy entry points, protected internal connections with random passwords and added verification of traffic ownership by applications. The last protection is enabled by default on Android 10 and newer versions. During testing, a vulnerability was also found in several transport bridges where an external application could send the first UDP packet and hijack the channel. The author reports that the issue has been fixed and regression tests have been added.
Code and compiled builds are published on GitHub.
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