Summary
This section contains my networking notes covering core concepts, practical lab work, and references that support security, Linux, and cloud learning.
What You Will Find Here
- IP addressing, routing, and switching concepts
- DNS, DHCP, ports, and protocols
- VLAN, firewall, and access basics
- Lab notes related to network troubleshooting
Structure
| Section | What it contains |
|---|---|
| Guides | practical troubleshooting and repeatable workflows |
| Commands | quick networking command reference |
| Concepts | mental models behind addressing, DNS, routing, and protocols |
Recommended starting points
- IP Addressing and Subnets
- DNS, DHCP, and Default Gateway
- Ports, Protocols, and Layers
- Routing and NAT
- Firewalls and Allowed Ports
- Basic Connectivity Checks
- DNS Troubleshooting
- Firewall Troubleshooting
Scope
- CCNA and Network+ preparation foundations
- Networking knowledge that supports homelab and SOC work