Client and Server Basics
Learn how clients talk to servers, what port numbers do, and how computers share multiple services on one IP address.

Master core network application protocols including local DNS, web servers, DHCP, and FTP.
Step into the world of network applications and centralized services in hands-on NetLab exercises. Learn how servers multiplex traffic using Layer 4 port numbers, how to host corporate intranets on HTTP Port 80, how to resolve domain names with BIND9 DNS Port 53, how to manage dynamic IP scopes and exclusions with DHCP, and how to transfer files with FTP.
Learn step by step. Each chapter includes practical tasks and an interactive topology.
Learn how clients talk to servers, what port numbers do, and how computers share multiple services on one IP address.

Host a company website on a local server, understand how browsers request pages over Port 80, and test HTTP replies.

Configure a local DNS server, add records for company websites, and look up names from office workstations.

Configure an office DHCP server, manage address pools, and automatically deliver IP settings to new workstations.

Run an FTP file server, connect from an office computer, and upload and download files using two network channels.
