12 entries
Foundations
How the Internet Works: Packets, Encapsulation & the Big Picture
BeginnerFoundationsChapter 1
Foundations
OSI & TCP/IP Models Layer by Layer
BeginnerFoundationsChapter 2
Foundations
IP Addressing, Binary Math, Subnetting & CIDR Mastery
BeginnerFoundationsChapter 3
Foundations
Ethernet, MAC Addresses, Switching, ARP & VLANs
BeginnerFoundationsChapter 4
Foundations
Routing, NAT & the Default Gateway
BeginnerFoundationsChapter 5
Foundations
TCP Deep Dive: Handshake, Flags, Sequence Numbers & States
BeginnerFoundationsChapter 6
Foundations
UDP, ICMP & Connectionless Protocols
IntermediateFoundationsChapter 7
Foundations
DNS Completely Explained: Records, Resolution & Zones
IntermediateFoundationsChapter 8
Foundations
DHCP & Dynamic Address Assignment
IntermediateFoundationsChapter 9
Foundations
HTTP, HTTPS, TLS/SSL & PKI in Practice
IntermediateFoundationsChapter 10
Foundations
Firewalls, IDS/IPS, Proxies, VPNs & Network Segmentation
IntermediateFoundationsChapter 11
Foundations
Wireless 802.11 Fundamentals & Network Analysis Methodology
IntermediateFoundationsChapter 12