Secure Networking – A Company Network Project on Open-Source

Build a network project, learn network security, Linux, nftables cluster, NAC, pfSense, Pentest, Kali, Wireshark hacking

Created by: Seyed Farshid Miri
Networking & Cyber Security Expert

Created by: Seyed Farhad Miri
Instructor at Udemy

What Will I Learn?

• Learn network security, open networking & Linux engineering in one tutorial
• Building up a company-grade segmented network entirely on Unix-like OSs
• Grasp the full picture of the underlying technologies in network security
• Project-based learning of firewall clusters on OpenSUSE Linux as well as pfSense
• Learn about NAC (802.1X, EAP, EAPoL) using PacketFence to reject or accpet clients on switches
• Networking core fundamentals such as Traffic Tagging using VLANs, Trunking, STP, subnetting, LAG, MLAG, etc.
• Learn firewall's core functionalities & be able to work with any firewall, no matter what brand
• Initial to advanced configuration of Nvidia Cumulus Linux switches
• Learn how head & branch offices securely communicate using IPSec site to site VPN
• Learn most common network attacks and penetration testing technics
• Learn underlying cluster technologies e.g. Keepalived & VRRP on Linux
• Practicing network security by segmentation, compartmentalization, & isolation
• Learn how to create different VLANs in a company and control their traffic on each other
• Setting up Linux based DHCP server to serve IP addresses in different VLANs
• Learn network redundency methods e.g. LACP (802.3ad), balance-rr, balance-xor, etc. on Linux, pfSense and Cumulus switch
• Learn how to migrate from iptables to nftables
• Project-based learning of advanced pfSense firewall features
• Project-based learning of packet capture & analysis using Wireshark, TShark, TermShark & TCPDump
• Learn about openSUSE, AlpineLinux, Debian, Ubuntu and FreeBSD
• Implement IPSec VPN on openSUSE using strongSwan
• Configuring openVPN remote access for home office users
• Configuring Wireguard remote access for IoT devices (key based authentication)
• Learn how to harden SSH logins using two-factor authentication (2FA)
• Learn virtualization using VirtualBox and GNS3
• Yersinia attack toolkit

Requirements

• No prior programming knowledge required
• Basic IT & networking skills
• A virtualization compatible computer
• Internet connection
• Passionate curiosity for learning (is a must)

Target audience

• Computer Students, learners and enthusiasts
• IT administrators
• Network engineers
• Linux engineers
• Cybersecurity specialists
• Firewall administrators