Lab 9 - Security in Computer Networks

Learning Goals

After this week, you will understand the following concepts

• Cryptography
• Symmetric Key
• Private/Public Key
• Cipher Block Chaining
• Initialisation Vector
• Message Integrity and Digital Signatures
• Hash Function
• Certification Authority

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Focus of the lab

• Security mechanisms in computer networks
• Firewall for packet filtering
• TLS for secure TCP connections

Before Starting the Lab

• Make sure you are in the "labs" directory in your VM. If not, move to the directory with the command cd ~/labs.
• Save your work from the previous lab:

git add .
git commit -m "Commit message"

• Get the lab for this week with the command git pull origin main --no-edit.
• Good luck with the lab! :)