Learning Linux Firewall: Firewalld
  • Introducing Firewalld
Installation of Firewalld
  • Firewalld Installation
Zones and adding a service to the Firewalld
  • Firewalld Zones
  • Allowing a service in the public zone
Understanding Client-Server Application with Squid Proxy Server
  • Understanding Client-Server Application and how ports are used
Troubleshooting from WIndows
  • Troubleshooting from Windows
Using the Netcat and Nmap commands
  • Using the Netcat command along with netstat and nmap to troubleshoot from Linux