Simple application that will prompt for BPF filter string then sniff packets matching it using JpCap. Only works with TCP packets, and shows the source and destination address:port.For example the filter string

dst port 22 and proto TCP

Will capture packets to port 22.

Files:

• AddressTCPPacketHandler.java
• MainCapture.java
• Monitor.java

You’ll need to add them to a folder hierachy of jpcap/SimpleTCPHandler/capture/ to sort the packaging, and add the required capitalisations.