Technology
Technology
The cores and protocols behind a modern VPN connection.
- 19 articles
- 7 languages
- 17 Oct 2026 last update
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Technology2 min
What Is the Xray Core (Xray-core)?
If you have spent any amount of time in the world of VPNs and proxies, you have surely heard the name Xray. Many modern client apps use it behind the scenes. But what exactly is this core, and what does it actually do?
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Technology
What Is the WaterWall Core?
Alongside well-known names such as Xray and sing-box, another name keeps coming up in the networking community: WaterWall. This core takes a different approach, focusing mainly on tunneling and on chaining network components together.
2 min
Technology
What Is the sing-box Core?
If we treat Xray as a specialized engine, sing-box is closer to a comprehensive toolbox. This open-source project aims to gather nearly every proxy protocol and feature into a single application.
2 min