Netcat Power Tools

Chapter 7. Troubleshooting with Netcat

Solutions in this chapter:

• Conduct Scans Against Target Systems to Determine Active Ports using Netcat
• Use Netcat, Time, and the yes Application to Identify Network Latency Issues using Both TCP and UDP
• Determine Application Connectivity and Configurations using Netcat, Both Within Command and Data Channels
• Summary

Introduction

In this chapter, we will be tackling problems within our network, and solving them using Netcat. As has already been mentioned throughout this book, Netcat has a strong advantage over other tools in that it does not alter the data stream between systems. We will make use of this extensively in this chapter, as we communicate with applications in their own “native tongue” to identify ...