9.1.2.5 Lab – Hashing Things Out

Objectives Part 1: Creating Hashes with OpenSSL Part 2: Verifying Hashes Background / Scenario Hash functions are mathematical algorithms designed to take data as input and generate a fixed-size, unique string of characters, also known as the hash. Designed to be fast, hash functions are very hard to …

7.1.2.7 Packet Tracer – Logging Network Activity

Topology Addressing Table Device Private IP Address Public IP Address FTP_Server 192.168.30.253 209.165.200.227 SYSLOG_SERVER 192.168.11.254 209.165.200.229 Router2 N/A 209.165.200.226 Objectives Part 1: Create FTP traffic. Part 2: Investigate the FTP Traffic Part 3: View Syslog Messages Background In this activity, you will use Packet Tracer to sniff and …

7.3.2.5 Lab – Reading Server Logs

Objectives Part 1: Reading Log Files with Cat, More, and Less Part 2: Log Files and Syslog Part 3: Log Files and Journalctl Background / Scenario Log files are an important tool for troubleshooting and monitoring. Different application generates different log files, each one containing its own set …

7.3.1.6 Lab – Exploring DNS Traffic

Objectives Part 1: Capture DNS Traffic Part 2: Explore DNS Query Traffic Part 3: Explore DNS Response Traffic Background / Scenario Wireshark is an open source packet capture and analysis tool. Wireshark gives a detailed breakdown of the network protocol stack. Wireshark allows you to filter traffic for …

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