Ian Shields wrote this piece on TCP/IP network fundamentals for Linux system. This tutorial helps you prepare for Objective 109.1 in Topic 109 of the Linux System Administrator (LPIC-1) exam 101.
The aim of this tutorial is to provide enough information about:
- Understand network masks and Classless Inter-Domain Routing (CIDR) notation
- Know the differences between private and public dotted quad IP addresses
- Understand common Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) ports and services such as 20, 21, 22, 23, 25, 53, 80, 110, 123, 139, 143, 161, 162, 389, 443, 465, 514, 636, 993, 995
- Know the differences between and major features of UDP, TCP and Internet Control Message Protocol (ICMP)
- Know the major differences between IPv4 and IPv6
- Know the basic features of IPv6
Great read with detailed information about communication in layers, Internet Protocol Versions, Subnets, classes, masks, and CIDR etc.
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