Brook

A cross-platform programmable network tool

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Network for the entire system

It operates at the system level, capable of taking over the network of the entire system and all applications, includes TCP/UDP/IPv4/IPv6. In contrast, many other similar software programs only operate at the proxy level and cannot take over the network of many applications and can usually only handle TCP and IPv4.

Client-side Programming

It is possible to programmatically control every aspect of the network on the client. For example:

Controlling whether to use server-side DNS or client-configured DNS/DOH
Blocking domains via DNS, such ad AD
Only allow resolution of certain domain names
Controlling DNS resolution to directly return a specified IP
Controlling DNS to block certain resolution types
Using different DNS/DOH resolutions based on domain and type
Using different servers handling based on domain and type
Blocking certain destinations, such ad AD
Only allow certain destinations
Rewriting certain destinations
Directly connecting to certain destinations
Using different servers to handle different destinations
Packet capture, MITM HTTP/HTTPS, modifying HTTP/HTTPS requests and responses
Handling different requests based on destinations and TCP/UDP types
Viewing which application initiated the destination request on the desktop system
Enabling direct network connections for certain applications on the desktop system
Blocking network access for certain applications on the desktop system
Allowing only certain applications to connect to the network on the desktop system
and so on

Server-side Programming

It is possible to programmatically control every aspect of the network on the server. For example:

Using different DNS/DOH addresses to resolve destination domains
Blocking certain destinations
Only allow certain destinations
Only allow parsing certain destinations
Blocking connections to certain regions
Only connections to certain regions are allowed
Rewriting destinations
Rate limiting based on destination
Forwarding connections to different servers based on destination
Selecting a specific local IP address for connection based on destination
Handling multiple users directly through the open sourced brook-store or a custom-developed customer management system
Different processing based on users.
and so on

Cross-platform

We offers seamless cross-platform support across iOS, macOS, Android, Windows, and Linux, with our proprietary client designed for optimal performance and security. Brook dedicated software ensures customized optimization, reliable connectivity, and advanced features tailored to each operating system, providing a superior user experience without compromises.

Marcus Li

DevOps Engineer

Brook's programmability is insane. I can finally route my traffic exactly how I want, at the packet level. It's not just a tool; it's a Swiss Army knife for networking.

Feng Wu

Network Architect

Server-side customization allows me to build bespoke solutions for my enterprise clients. The flexibility to handle multiple users with custom logic is unparalleled.

David Zhang

Security Researcher

I've tested countless network tools, but Brook stands out for its system-level network handling. It captures everything, making my analysis work so much smoother.

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