Netstat Tool

Netstat is a command line tool that can be used to monitor both incoming and outgoing network traffic. It is also used to analyze the free ports and the ports that are being listened to. Run the following command to execute netstat.

$ sudo netstat -a

Network security auditing is the process of assessing a network’s health by analyzing and studying the flow of data through the network. Network auditing is one of the critical steps to detect potential security threats and errors within the network. Security audits are either performed manually or are automated using various testing tools, they are crucial because they ensure whether the network is secure and void of any security vulnerabilities or loopholes that can be exploited by an attacker. A basic security audit may include.

• Analysis of all Network devices
• Analysis of the Network Infrastructure
• Identifying network policies
• Risk Assessment
• Firewall Assessment
• Penetration testing
• Report drafting

Network performance refers to the quality of the network, it is measured by Bandwidth, Throughput, Latency, and Jitter. They can be measured by using various network monitoring tools. Below mentioned are some tools that are used to monitor network performance. In this article, we will briefly discuss some basic auditing techniques.