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THM Walkthroughs
  • THM Walkthroughs
    • đŸ§‘â€đŸ«Tutorial
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    • 🔌What is Networking?
    • 🔌Intro to LAN
    • 🐧Linux Fundamentals
      • 🐧Linux Fundamentals Part 1
        • Task 2 - A Bit of Background on Linux
        • Task 4 - Running Your First few Commands
        • Task 5 - Interacting With the Filesystem!
        • Task 6 - Searching for Files
        • Task 7 - An Introduction to Shell Operators
      • 🐧Linux Fundamentals Part 2
        • Task 3 - Introduction to Flags and Switches
        • Task 4 - Filesystem Interaction Continued
        • Task 5 - Permissions 101
        • Task 6 - Common Directories
      • 🐧Linux Fundamentals Part 3
        • Task 3 - Terminal Text Editors
        • Task 4 - General/Useful Utilities
        • Task 5 - Processes 101
        • Task 6 - Maintaining Your System: Automation
        • Task 8 - Maintaining Your System: Logs
    • đŸȘŸWindows Fundamentals
      • đŸȘŸWindows Fundamentals 1
      • đŸȘŸWindows Fundamentals 2
      • đŸȘŸWindows Fundamentals 3
    • 🔓Principles of Security
    • 🐍Python Basics
    • 🔍History of Malware
    • đŸŠčCommon Attacks
    • đŸ–„ïžSecurity Awareness
    • ⚔Intro to Offensive Security
    • đŸŠčPentesting Fundamentals
    • 🔓CVE Walkthroughs
      • đŸ–„ïžSudo Security Bypass: CVE-2019-14287
      • đŸ–„ïžSudo Buffer Overflow: CVE-2019-18634
      • đŸ–„ïžBaron Samedit: CVE-2021-3156
      • đŸ–„ïžOverlayFS: CVE-2021-3493
      • đŸ–„ïžPolkit: CVE-2021-3560
      • đŸ–„ïžPwnkit: CVE-2021-4034
      • đŸȘ¶Apache HTTP Server Path Traversal: CVE-2021-41773/42013
      • đŸ§»Dirty Pipe: CVE-2022-0847
      • 🟱Spring4Shell: CVE-2022-22965
    • 🟧Burp Suite
      • 🟧Burp Suite: The Basics
      • 🟧Burp Suite: Repeater
    • 🏁Challenges
      • ‎Bypass Disable Functions
    • đŸŽŸïžTHM PROMOs
      • đŸŽŸïžLearn and win prizes [PROMO ENDED]
      • đŸŽŸïžLearn and win prizes #2 [PROMO ENDED]
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    • 🚀Learning Cyber Security
    • 🔁The Hacker Methodology
    • 🔍Google Dorking
      • Task 2 - Let's Learn About Crawlers
      • Task 4 - Beepboop - Robots.txt
      • Task 5 - Sitemaps
      • Task 6 - What is Google Dorking?
    • 🐝OWASP Top 10
      • Task 5 - Command Injection Practical
      • Task 7 - Broken Authentication Practical
      • Task 11 - Sensitive Data Exposure (Challenge)
      • Task 13 - XML External Entity - eXtensible Markup Language
      • Task 14 - XML External Entity - DTD
      • Task 16 - XML External Entity - Exploiting
      • Task 18 - Broken Access Control (IDOR Challenge)
      • Task 19 - Security Misconfiguration
      • Task 20 - Cross-site Scripting
      • Task 21 - Insecure Deserialization
      • Task 24 - Insecure Deserialization - Cookies
      • Task 25 - Insecure Deserialization - Cookies Practical
      • Task 30 - Insufficient Logging and Monitoring
    • 📡Nmap
      • Task 2 - Introduction
      • Task 3 - Nmap Switches
      • Task 5 - TCP Connect Scans
      • Task 6 - Scan Types SYN Scans
      • Task 7 - UDP Scans
      • Task 8 - NULL, FIN and Xmas
      • Task 9 - ICMP Network Scanning
      • Task 10 - NSE Scripts Overview
      • Task 11 - Working with the NSE
      • Task 12 - Searching for Scripts
      • Task 13 - Firewall Evasion
      • Task 14 - Practical
    • 📡RustScan
      • Task 2 - Installing RustScan
      • Task 5 - Extensible
      • Task 7 - Scanning Time!
      • Task 8 - RustScan Quiz
    • 🐙Crack the hash
    • 🌍OhSINT
    • 🧑‍🚀Vulnversity
    • 🧊Ice
    • đŸȘŸBlue
    • 🎄Advent of Cyber 4 (2022)
  • 🟹Difficulty: Medium
    • đŸȘŸAttacktive Directory
      • Task 3 - Welcome to Attacktive Directory
      • Task 4 - Enumerating Users via Kerberos
      • Task 5 - Abusing Kerberos
      • Task 6 - Back to the Basics
      • Task 7 - Elevating Privileges within the Domain
      • Task 8 - Flag Submission Panel
    • 💀Mr Robot CTF
    • 🛗Linux PrivEsc
    • 🛗Linux PrivEsc Arena [WIP]
    • 🛗Windows PrivEsc Arena
  • 🟧Difficulty: Hard
    • 🐘Hacking Hadoop [WIP]
  • đŸŸ„Difficulty: Insane
    • â›șYou're in a cave [WIP]
  • Blank Room (Duplicate Me)
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On this page
  • Task 1 - Introducing LAN Topologies
  • What does LAN stand for?
  • What is the verb given to the job that Routers perform?
  • What device is used to centrally connect multiple devices on the local network and transmit data to the correct location?
  • What topology is cost-efficient to set up?
  • What topology is expensive to set up and maintain?
  • Complete the interactive lab attached to this task. What is the flag given at the end?
  • Task 2 - A Primer on Subnetting
  • What is the technical term for dividing a network up into smaller pieces?
  • How many bits are in a subnet mask?
  • What is the range of a section (octet) of a subnet mask?
  • What address is used to identify the start of a network?
  • What address is used to identify devices within a network?
  • What is the name used to identify the device responsible for sending data to another network?
  • Task 3 - The ARP Protocol
  • Task 4 - The DHCP Protocol
  • What type of DHCP packet is used by a device to retrieve an IP address?
  • What type of DHCP packet does a device send once it has been offered an IP address by the DHCP server?
  • Finally, what is the last DHCP packet that is sent to a device from a DHCP server?
  • Task 5 - Continue Your Learning: OSI Model
  • Join the "OSI Model" room.
  1. Difficulty: Info

Intro to LAN

Learn about some of the technologies and designs that power private networks

PreviousWhat is Networking?NextLinux Fundamentals

Last updated 2 years ago

Room Attributes
Value

Subscription Required

False [Free]

Type

Walkthrough

Difficulty

Info

Tags

Networking, Networking Fundamentals, DHCP, ARP

Task 1 - Introducing LAN Topologies

What does LAN stand for?

What is the verb given to the job that Routers perform?

HINT: This is the term given to deciding what route packets should take

What device is used to centrally connect multiple devices on the local network and transmit data to the correct location?

HINT: Something smarter than a hub/repeater.

What topology is cost-efficient to set up?

HINT: *** Topology

What topology is expensive to set up and maintain?

HINT: **** Topology

Complete the interactive lab attached to this task. What is the flag given at the end?

Task 2 - A Primer on Subnetting

What is the technical term for dividing a network up into smaller pieces?

How many bits are in a subnet mask?

HINT: This can be converted into 4 bytes

What is the range of a section (octet) of a subnet mask?

HINT: Smallest to largest

What address is used to identify the start of a network?

HINT: ******* Address

What address is used to identify devices within a network?

HINT: **** Address

What is the name used to identify the device responsible for sending data to another network?

Task 3 - The ARP Protocol

What does ARP stand for?

What category of ARP Packet asks a device whether or not it has a specific IP address?

What address is used as a physical identifier for a device on a network?

HINT: *** Address

What address is used as a logical identifier for a device on a network?

HINT: ** Address

Task 4 - The DHCP Protocol

What type of DHCP packet is used by a device to retrieve an IP address?

HINT: DHCP ********

What type of DHCP packet does a device send once it has been offered an IP address by the DHCP server?

HINT: DHCP *******

Finally, what is the last DHCP packet that is sent to a device from a DHCP server?

HINT: DHCP ***

Task 5 - Continue Your Learning: OSI Model

Join the "OSI Model" room.

No answer needed

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Local Area Network

Routing

Switch

Bus Topology

Star Topology

THM{TOPOLOGY_FLAWS}

Subnetting

32

0-255

Network Address

Host Address

Default Gateway

Address Resolution Protocol

Request

MAC Address

IP Address

DHCP Discover

DHCP Request

DHCP ACK

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