VPN Installation Guide for NSSPC Preliminary Round

Step 1: Download and extract the file clients.zip:

https://nsspc.io/web/content/5284?unique=201ce3c9fbf1dfeb8a28714855c743a1ff1ceea6&download=true

extract the client,zip file

Step 2: Check Your Username

Students Log in to the registration system (https://nsspc.io/my/account) and check your personal VPN Username on your Profile page (see Attachment 1).

Step 3: Install the VPN Software

Please follow the installation guide according to your operating system:

- Windows & Linux: https://hackmd.io/@ian0830/SJxNL-7zGg

- macOS:https://hackmd.io/@cHyJKNv6QK2rTh-PnVIsPg/BJRqaT1MGx

Step 4: Import Your Configuration File

4.1 In Step 3 during the installation guide, click "Import tunnel(s) from file". You will see many configuration files.

4.2 Locate your own Username and select the corresponding configuration file for your operating system.

- Example: Username = user799

Windows: user799_win.conf

Linux: user799_rpm_deb.conf

macOS: user799_other.conf

Step 5: Test the VPN Connection & Recover

- After importing the configuration file, if you see the screen shown in Attachment 2, the setup has been completed successfully.

- Click Activate to test the VPN connection.

- When the Status shows Active (see Attachment 3), the VPN connection is successful.

- After testing, click Deactivate to restore your normal internet connection.

Important Reminders

🔹 If you will be participating from your school network, please perform the VPN test while connected to the school network.

🔹 If you encounter any errors (e.g. firewall restrictions), please take a screenshot of the error message and send it to the organizer for assistance.

🔹 Official VPN usernames and contest login credentials will be provided after 24 June. On the contest day, please use the official username and the official DOMjudge contest account provided by the organizer.