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After connecting to a VPN, it is important to make sure that it actually works and performs its intended functions. An improperly configured or unstable VPN can create a false sense of security and fail to provide data protection or bypass restrictions.

Checking the IP Address

One of the basic ways to verify a VPN is to compare your IP address before and after connecting.

1. Disable the VPN and note your real IP address.
2. Enable the VPN and refresh the IP check page on 2ip.io.
3. Make sure that the IP address and country have changed.

If the IP address does not change, the VPN is either not working or the traffic is bypassing the tunnel.

Do not check via 2ip.ru — you won’t see any changes.

Checking for DNS Leaks

Even with an active VPN connection, DNS leaks are possible, meaning DNS requests may be sent directly to your internet service provider.

To check for DNS leaks, use dnsleaktest.com.

After running the test, make sure that the displayed DNS servers belong to the VPN provider and not your ISP.

Checking for WebRTC Leaks

WebRTC can expose a user’s real IP address even when a VPN is enabled, especially in browsers such as Chrome, Edge, and Firefox.

To test for WebRTC leaks, use browserleaks.com/webrtc.

If the service shows your real IP address, you should disable WebRTC in your browser settings or use special extensions.

Checking Traffic Encryption

A VPN should not only change your IP address but also encrypt your internet traffic.

Indirect signs that encryption is working correctly include:

• The use of modern VPN protocols.
• The absence of warnings about insecure connections.
• Stable operation without unexpected disconnections.

Checking Connection Stability

Even with proper configuration, a VPN connection may be unstable, leading to temporary disconnections and potential traffic leaks.

Pay attention to:

• Frequent reconnections.
• Sudden speed drops.
• Loss of access to websites when the VPN disconnects.

Conclusion

Checking VPN performance is an essential step to ensure security, privacy, and effective bypassing of restrictions. A changed IP address, absence of DNS and WebRTC leaks, and a stable encrypted connection confirm that the VPN is working correctly. Regular testing helps avoid a false sense of security and reduces the risk of data leaks.