crackercat/packetproxy

A local proxy written in Java

日本語のREADMEはここ

PacketProxy

PacketProxy is an open source proxy tool that allows TCP/UDP Traffic to be read. It is not limited to just HTTP.

It can be used for development assistance or for risk assessments.

Screenshot

Features

• Full featured local proxy tool
  • Show all the received packets
  • Filter/Search packets by keywords
  • Intercept packets, and modify them before sending them to server
  • Resend packet to server
  • Show differences between any two received packets
• Many protocols support
  • Support HTTP1, HTTP2, HTTPS, WebSocket, FireBase, MQTT, gRPC, Protocol Buffers, MessagePack and CBOR as built-in protocols.
  • Develop new protocols easily
• Features for application penetration test
  • Send concurrently multiple packets for a DB transaction test
  • Replace server certificate with self signed certificate for a client side validation test
• Other advantages
  • Have a built-in DNS server for easy packet forwarding
  • Save/Load project data
  • Support Windows, macOS, and Linux

Setup

Download the version corresponding to your OS and run the installer.

Or

Just type $ brew cask install packetproxy if you use Homebrew-cask on MacOS.

Usage

Please see this page: For Users

Development

If you want to develop support for additional protocols or improve on the base PacketProxy application, please refer to this page: For Developers

License

Apache License 2.0