...
These ports must be different for each instance of Weave that is running on the same server at the same time or the server may not start. Depending upon if the instance is being started as a service/daemon or from the startup script the current values for these port numbers can be found in different locations.
Network ports for Weave 2.4 and 2.5
HTTP Port
The HTTP port that the client connects to is generally set in the jetty.xml file. One of the things that file configures is the connector for HTTP requests that will have a line like:
...