What you would learn in Secure Networking - A Company Network Project on Open-Source course?
In a nutshell, you can create a network that resembles a business with a headquarters and a branch office using Unix-like operating systems and open-source applications.
From switches to endpoints servers, clustered firewalls. NAC, formally NAC servers, jumpers, and everything else, are made of a particular version of a Linux OS such as openSUSE AlpineLinux, Debian, Ubuntu, etc., or a similar Unix OS like FreeBSD.
We do not care about logos and brands; however, we are interested in practical ideas. For instance, we dig deep into Shell commands, the TCP/IP, network fundamentals, and fundamental network security concepts with open-source but well-tested products.
We want to show you how common networking concepts have been "designed" and are also "applied" in work environments.
What is the benefit of an utterly Linux-based network? In addition to being the case that Linux is the central operating system in the world, if you can master the security of networking with Linux, Unix, and open-source software, you can be confident about their commercial counterparts. For instance, if master network firewalling with the tables and nftables tools are both open-source, you will not have problems using Cisco FirePower, FortiGate, or Juniper firewalls.
We're not interested in vendors and are looking more for standardized theories and practical technology. This will give you an accurate understanding of fundamental technologies and concepts about how finished products, such as Cisco switches, Fortigate Firewalls, Cisco NAC ISE, HPE Aruba, and others, work behind the scenes.
You'll perform the most commonly used network attacks with Kali Linux against the network you constructed by yourself.
Your Learning Key-Terms:
GNS3 Lab (with Hyper-V & VirtualBox Integration)
LAGG (Link Aggregation)
MLAG (Multi-Chassis Link Aggregation)
Bond Modes: Active Backup, 802.3ad (LACP)
Routing and ARP Tables
IEEE 802.1X and MAB (MAC Address Bypass)
Network Access Control (NAC)
PacketFence (Open Source NAC)
Extensible Authentication Protocol (EAP) (EAP)
Linux Open Source Networking
Nvidia Cumulus Linux Switch
FreeBSD (for pfSense and TrueNAS)
Open Source Storage (FreeNAS)
Linux Shell Command Line
Packet Analysis of Capture
Wireshark, TShark, Termshark, and TCPDump
Keep it alive
Virtual Private Network (VPN)
strongSwan IPSec (swanctl)
The pfSense Firewall (FreeBSD)
Demilitarized Zone (DMZ)
Ethical Hacking Network Attacks and Technics
SSH BruteForce Attack
MITM, along with Mac Spoofing Attack
MITM using DHCP Spoofing Attack
DOS Attack (POD, SYNFLOOD, CDP), BPDUs, CDP)
Offensive Packet Sniffing
ARP Spoofing, poisoning of ARP caches attack
Network Hardening Solutions
Content of the Course
- The creation of a business-grade segmented network that embeds security, entirely using a Unix-like OS
- Learning through project-based projects to configure firewall clusters of OpenSUSE Linux as well as pfSense
- Learn more about NAC (802.1X, EAP, EAPoL) by using PacketFence to deny or allow clients on switches
- Learn the underlying technologies of clusters, e.g., Keepalived and VRRP
- The fundamentals of networking, like traffic Tagging with VLANs Trunking, STP subnetting LAG, MLAG, etc.
- Learn the fundamental functions of firewalls and be able to use any firewall, regardless of the type of
- From initial up to more advanced settings of Nvidia Cumulus Linux switches
- Learn how branch and head offices can safely communicate via IPSec website to site VPN
- Practicing network segmentation, compartmentalization, & isolation
- Learn how to establish various VLANs within a business and monitor their connection to one another
- Configuring a Linux server DHCP server to handle IP addresses from various VLANs
- Learn network redundancy methods, e.g., LACP (802.3ad), balance-or, balance-xor, etc. on Linux, pfSense, and Cumulus switch
- Learn how to convert from nftables to iptables
- Project-based learning is a feature of the latest firewall features of pfSense.
- A project-based method of learning about packet capture and analysis using Wireshark, TShark, TermShark, and the TCPDump
- Find out more about openSUSE, AlpineLinux, Debian, Ubuntu, and FreeBSD
- Install IPSec VPN in openSUSE by using strongSwan
- Setting up OpenVPN remotely accessible access options for office workers at home.
- Setting up Wireguard remote access on IoT equipment (key authenticator based)
- Learn how to secure SSH logins by using 2-factor authentication (2FA)
- Learn more about virtualization using VirtualBox and GNS3.
- Find out the most popular attacks on networks and penetration testing techniques.
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