Brook v20270101 Changelog

Updated at: 2026-09-09

A cross-platform programmable network tool.

CLI

• Added brook --userMaxConnCount Limit the maximum number of connections per user
• Added brook --userTotalSpeedLimit Limit the maximum aggregate rate of all connections for each user. To limit the rate of a single connection, please use script

This provides some protection against malicious use by users.

• Added brook link --country

GUI will show the country flag based on your brook link.

Clients: GUI, ipio, openwrt programming

• Updated in_dnsquery
  • Added out.log
• Updated in_address
  • Deprecated out.mitmcertdomain
  • Deprecated out.mitmwithbody
  • Deprecated out.mitmautohandlecompress
  • Deprecated out.mitmclienttimeout
  • Deprecated out.mitmserverreadtimeout
  • Deprecated out.mitmserverwritetimeout
  • Added out.detecttls
  • Added out.mitmsavebody
  • Added out.mitmhandlebody
  • Added out.log
• Added in_mitmaddress
• Added in_websocketrequest
• Added in_websocketrequestmessage
• Added in_websocketresponsemessage

Mainly optimized MITM and added support for intercepting and modifying websocket packets.

If you are using Modules, you need to update _footer.tengo. For specific field details, please read the documentation.

Brook Store

The Brook Store has been rewritten: https://github.com/txthinkinginc/brook_store