TryHackMe: Secure Network Architecture

Krang2K
2 min readSep 21, 2023

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Room: https://tryhackme.com/room/introtosecurityarchitecture

Summary:

The TryHackMe room ‘Secure Network Architecture’ is a walkthrough for the Security Engineer path and part of the Win Prizes And Learn — 2023 promotion. https://tryhackme.com/room/tickets4!

Task 2: Network Segmentation

  1. How many trunks are present in this configuration?
    4
  2. What is the VLAN tag ID for interface eth12?
    30

Task 3: Common Secure Network Segmentation

3. From the above table, what zone would a user connecting to a public web server be in?
External

4. From the above table, what zone would a public web server be in?
DMZ

5. From the above table, what zone would a core domain controller be placed in?
Restricted

Task 4: Network Security Policies And Controls

6. According to the corresponding ACL policy, will the first packet result in a drop or accept?
Accept

7. According to the corresponding ACL policy, will the second packet result in a drop or accept?
Drop

Task 5: Zone-Pair Policies And Filtering

8. What is the flag found after filling in all blanks on the static site?
THM{M05tly_53cure}

Task 6: Validating Network Traffic

9. Does SSL inspection require a man-in-the-middle proxy? (Y/N)
Y

10. What platform processes data sent from an SSL proxy?
Unified Threat Management

Task 7: Addressing Common Attacks

11. Where does DHCP snooping store leased IP addresses from untrusted hosts?
DHCP Binding Database

12. Will a switch drop or accept a DHCPRELEASE packet?
Drop

13. Does dynamic ARP inspection use the DHCP binding database? (Y/N)
Y

14. Dynamic ARP inspection will match an IP address and what other packet detail?
MAC Address

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Krang2K

Penetration Testing write-ups, discussions, and all other things considering. When all else fails, RTFM!