OpenVPN: General troubleshooting | Try Hack Me Help Center (2024)

Here are a few common issues you may encounter with OpenVPN. We have added links to more detailed troubleshooting guides at the bottom of the article.

Incorrect settings often cause this (so double-check this first!) or by using a VM running the VPN on your host machine. If the VPN is connected to your host and the VM is connected through the host, then you have a route into the network and can access machines: VM -> Host -> TryHackMe Network. Your reverse shells don't know about that extra step, though: as far as they're concerned, your TryHackMe IP belongs to your host -- not the VM. When the reverse shell is sent, it gets sent back to the host but goes no further -- it has no reason to because it's already reached its destination. However, Metasploit (or any other listener) is inside the VM and thus will never receive the shell because it already got stopped at the host.

First, check your connection to your home network -- are you a long way away from the router? Is your internet connection usually noticeably faster than when connecting to the TryHackMe network? If so, go to the TryHackMe Access page and ensure your chosen VPN server is closest to you geographically. If not, switch the server and regenerate (then re-download) your connection pack.


  • Are you running OpenVPN as Administrator on Windows or root on Linux? Can you still connect to sites such as Google while using OpenVPN?

    • If not, try switching servers and regenerating (then re-downloading) your VPN configuration pack on the TryHackMe Access page.

  • Some countries block OpenVPN traffic, e.g., China, Egypt, and North Korea.

    • Check if you live in one of these countries. You cannot legally connect to the TryHackMe network via OpenVPN if you do.

If your issue is not related to one of the above, please click on one of the following links:

OpenVPN: General troubleshooting | Try Hack Me Help Center (2024)

FAQs

Why is my TryHackMe VPN not working? ›

First, check your connection to your home network -- are you a long way away from the router? Is your internet connection usually noticeably faster than when connecting to the TryHackMe network? If so, go to the TryHackMe Access page and ensure your chosen VPN server is closest to you geographically.

How to fix OpenVPN error? ›

To resolve this, ensure you've configured your server address correctly:
  1. Sign in to the Admin Web UI.
  2. Click Configuration > Network Settings.
  3. Check the field for Hostname or IP Address. This address should be publicly reachable. ...
  4. After checking this, download and install OpenVPN Connect on your client computers.

How do I access OpenVPN admin panel? ›

First-time Admin Web UI
  1. Open a web browser and enter your Admin Web UI address. ...
  2. Click through to continue to the site. ...
  3. Enter your username and password for your openvpn user. ...
  4. The first time you sign in to the Admin Web UI, Access Server displays the Activation page so you can easily get an activation key:

How do you test if OpenVPN is working? ›

Check OpenVPN Status

The first place to check is Status > OpenVPN, which displays the connection status for each OpenVPN instance. If a VPN is connected, waiting, reconnecting, etc, it is indicated on that screen. For more information, see OpenVPN Server and Client Status.

How do I troubleshoot VPN problems? ›

If your VPN is not connecting, you can try a few ways to fix the issue:
  1. Check your internet connection. ...
  2. Check your credentials. ...
  3. Check your VPN server status. ...
  4. Check your VPN protocol and ports. ...
  5. Look for VPN software issues. ...
  6. Check the firewall blocking. ...
  7. Restart your VPN app. ...
  8. Reinstall the latest version of your VPN app.
May 17, 2023

Why is my VPN failing to connect? ›

Your VPN software might be outdated. Your VPN settings might not be configured correctly. You might have poor internet connectivity or an intermittent network connection. The problem may not be a VPN issue at all – but it might be your internet connection preventing your VPN from connecting.

How do I troubleshoot an OpenVPN server? ›

Verify that the server can be reached by its IP address

In some cases, DNS records may have problems. Try accessing the OpenVPN Access Server web interface by its public IP address in your web browser directly. For example, if your server has the IP address, 123.45. 67.89, then try: https://123.45.67.89.

How do I get OpenVPN to work? ›

Install the app for your operating system. Import the connection profile from your VPN provider. (Optional) Customize the app settings if needed. You're ready to go with a fast, secure connection.

How do I bypass VPN error? ›

10 ways to bypass VPN blockers
  1. Choose a quality VPN provider. Not all VPNs are created equal. ...
  2. Switch VPN servers. ...
  3. Change your VPN protocol. ...
  4. Use obfuscated servers. ...
  5. Get a dedicated IP address. ...
  6. Change ports. ...
  7. Change your DNS settings. ...
  8. Send your VPN traffic through a proxy tunnel.
May 2, 2024

How do I manually start OpenVPN? ›

To run OpenVPN, you can: Right click on an OpenVPN configuration file (.ovpn) and select Start OpenVPN on this configuration file. Once running, you can use the F4key to exit. Once running in a command prompt window, OpenVPN can be stopped by the F4 key.

What is the root password for OpenVPN? ›

appliance/ to login as root and run the setup. Once the setup completes it says "login with 'openvpn' and the password used to login to this Unix machine" or something to that effect. Then navigating to the Admin WebUI I use "openvpn" as user and "openvpnas" as the password.

What is the default password for OpenVPN? ›

Re: Default root password

The username is root, the password is openvpnas.

How do you check if my VPN is blocked? ›

Check if Your VPN Connection Is Blocked

Test multiple server locations: Connect to different server locations offered by your VPN provider. If you can bypass restricted websites, then your VPN is working. Check for connection failures: When establishing a VPN connection, note any error messages or connection failures.

How do you check if your VPN is actually working? ›

How to check if a VPN is working
  1. Turn off your VPN.
  2. Visit WhatIsMyIPAddress.com. You'll see your public IP address — the one that's assigned to you by your internet service provider (ISP). ...
  3. Turn on your VPN and connect to a server in your chosen location. ...
  4. Check your IP address again using the same method as before.
Jun 24, 2024

How do I access my server using OpenVPN? ›

Sign in to the Client Web UI and download OpenVPN Connect
  1. Open a browser and enter the URL for the Client Web UI. ...
  2. Enter your username and password and click Sign In. ...
  3. Click on the icon to download the recommended version of OpenVPN Connect for your device.
  4. Wait for the download to complete, then install OpenVPN Connect.

Why aren t VPNs working? ›

One of the most common reasons is a weak or unstable Wi-Fi connection. If your Wi-Fi signal is weak or unstable, it can cause your VPN to disconnect or not connect at all. Additionally, if you're using a public Wi-Fi network, it might be blocking VPN connections.

Why is my VPN not allowing internet access? ›

Ensure that all the details including server address, username, password and protocols are entered correctly. Change VPN server or protocol: Try connecting to a different VPN server or change the connection protocol. Some servers or protocols might be blocked or slow in your region.

Why is my VPN blocked? ›

Why do VPNs get blocked? VPNs typically get blocked due to government censorship, copyright concerns, streaming location restrictions, or school and workplace restrictions.

How do I fix VPN detection? ›

You can, however, use additional tips and tricks to make yourself as close to undetectable as possible:
  1. Switch VPN servers.
  2. Change your VPN protocol.
  3. Use obfuscated servers or a stealth VPN.
  4. Get a dedicated IP address.
  5. Change ports.
  6. Change your DNS settings.
  7. Send your VPN traffic through a proxy.
  8. Swap to mobile data.
May 2, 2024

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