This video explains how evidence acquisition works at the data link layer.
- [Instructor] Domain Name Service or DNS … is an application layer protocol at the transport layer. … It uses UDP instead of TCP … because it doesn't require a reliable connection. … As its name suggests DNS acts like a phone directory. … IP addresses are difficult to remember … because they are numbers like 10.35.4.150. … Can you imagine people typing a number … into the URL field of a web browser? … I don't even remember my kid's phone numbers. … This is why we need a DNS server in the cloud … somewhere converting a meaningful domain name … like world wide web.linkedin.com into an IP address … because network equipment only understands IP addresses … unlike human beings who prefer a name like LinkedIn. … Every host is set up to use a specific DNS server. … Let's take a look at how my machine is set up. … Type Network in the search field. … Choose Check Network Status and then … select Change Connection Properties. … Scroll down. … Do you see the line that says IPV 4 DNS Servers. … We're using multiple servers here …
- Goals of network forensics
- Using a syslog and Microsoft Log Parser
- Investigating network traffic
- How protocol analysis works
- ARP and DNS poisoning
- Working with network forensics tools
- Using packet sniffers
Skill Level Beginner
Learning Cryptography and Network Securitywith Lisa Bock1h 45m Intermediate
Insights from a Cybersecurity Professionalwith Mike Chapple32m 15s Intermediate
What you should know2m 11s
1. Understanding Network Forensics
2. Preparing for a Network Forensics Investigation
3. Investigating Network Events
4. Investigating Network Traffic
5. Network Forensics Tools
Next steps1m 15s
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