Traffic splitting

By default Caido will listen on a single port for all traffic, it uses a splitting algorithm to determine if a request is for the UI/GraphQL API or if it a normal user request that needs to be forwarded. This allows for a simpler user experience, but can sometimes have unexpected behaviour.

INFO

To add other listeners, refer to the guide on the topic.

Traffic split algorithm

We use the following algorithm to route a given request to the right location. In the diagram, Proxy is for forwarded requests and API is for Caido UI/GraphQL API.

Upstream determination algorithm

Once Caido has determined that the request should be forwarded (Proxy), it uses the following algorithm to determine to what upstream it should send the request to: