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VPN test

Category: VPN connection    |    Points: 1    |    Difficulty: Easy

🧠 Challenge Text

Hi, trainee,

nobody can work secure without VPN. You have to install and configure OpenVPN properly. Configuration file can be downloaded from CTFd's link VPN. Your task is to activate VPN, visit the testing pages, and get your code proving your IPv4 and IPv6 readiness.

Stay grounded!

IPv4 testing page is available at http://volt.powergrid.tcc.
IPv6 testing page is available at http://ampere.powergrid.tcc.

🔍 Hints Text

1. Hint View Hint: OpenVPN Install
  • https://openvpn.net/community-resources/installing-openvpn/

🎨 Solution

Connect to VPN using opevpn client for instance. To resolve domain names inside vpn add following lines in the vpn config

up /etc/openvpn/update-resolv-conf
down /etc/openvpn/update-resolv-conf

Access IPv4 and IPv6 sites to get

  • Your VPN is IPv4 ready, first part of code is FLAG {mkuV-TEnW.

  • Your VPN is IPv6 ready, second part of code is -slYz-TFnx}.