Summary

In this chapter, we explored essential tools for Linux system administrators that provide them with powerful capabilities to manage network communication effectively and enhance network security. This chapter covered a wide range of commands, each serving a specific purpose in configuring network rules and gaining valuable insights into network activity. The iptables commands, such as iptables -t ACCEPT and iptables -t DROP, allow administrators to customize network policies, enabling authorized traffic while blocking potential threats. These commands play a critical role in safeguarding network resources and defending against cyberattacks, making them indispensable tools for Linux system administrators. This chapter also delved into network configuration and analysis commands, including ifconfig, ip, route, and netstat. These commands offer administrators the ability to view and manage network interfaces, configure IP addresses, inspect routing tables, and monitor network...