Network Security: Linux Iptables Firewall vs Attacks

Network Security: Linux Iptables Firewall vs Attacks | Udemy
English | Size: 4.37 GB
Genre: eLearning

What you’ll learn
Our main goal is to learn the Iptables Firewall, but in-depth knowledge of the subject requires knowledge of Networks, Network Devices, types of Network Attacks, and problems related to the functioning of the network. This knowledge was also included in the course.
About Attacks, how to run them and then use iptables to prevent them [DoS, Fraggle, Ping of Death, Ping Flood, Smurf, Brute Force, Man in the middle, Arp spoofing].
Iptables basics [ how to create a rule, iptables commands, tables, matches, chains, targets, iptables data flow diagram].
Networks from scratch [based on IPv4, about WAN, LAN, topologies, IP addressing ].
Network protocols [ IPv4, ARP, ICMP, TCP, UDP, DNS, DHCP, SSH, Telnet, HTTPS, HTTP ].
About Nnap, Wireshark, nping, hping3, IPSET, Putty, arpspoof, net-tools, urlsnarf and more how to use them in practise.
About network Scan and how to prevent it using iptables [SYN, ACK, FIN, XMAS, UDP, NULL scans and how to create Custom scan].
What is a Firewall and how does it work.
How to create a virtual security LAB. Virtualization basics [VirtualBox, what is a host, hypervisor and virtual system, connection types etc.]
Creating and configuring a Virtual Laboratory with a Iptables Firewall from scratch.
Making Ubuntu Linux act as NAT router and iptables firewall.
Security and network problems. How to prevent them in iptables. [Fragmentation, PMTUD, PLMTUD, MTU probing, MSS clamping, Jumbo frames].
How to maniputalate with traffic in iptables using custom chains.
How to use additional tools like IPSET to work with iptables.
What is it and how to create a Whitelist and Blacklist.
Network devices and their role [switches L2, L3, routers].

Who this course is for:
Anyone who likes to learn IT step by step from scratch.
Anyone who is interested in network security, firewalls, network attacks.
Anyone who would like to create their own network security analysis laboratory based on virtualization and iptables firewall and learn how to use it.

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