Why VPNs Are Getting Detected More Than Ever

1. Suspicious login form

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One common way websites detect VPN use is by tracking a user's login location. If a single user logs in from different locations within a short period of time using the same device, websites can recognize this as a sign that a VPN is being used to mask their location. For example, if you log in from the US one moment and then switch to Australia the next, that could be a red flag.

Additionally, if multiple users connect to the same website or service via a shared IP address from the VPN server, this pattern may signal VPN use. To minimize detection, connect to VPN servers near your location and consider using a dedicated IP, which provides a unique address just for you, avoiding noticeable location changes.

2. Connect to blacklisted IP address

Companies often keep lists of blacklisted IP addresses associated with VPNs and proxies, allowing them to block unwanted traffic. If you are using a free VPN with IP addresses shared between multiple users, there is a chance that you may be connecting via one of these blacklisted IPs, allowing the website to detect and mark your session as a VPN connection .

To avoid this problem, consider using a single dedicated IP for a user who is less likely to be flagged. If you can't afford a dedicated IP address and prefer a free VPN connection, choose a service with a large, regularly updated pool of IP addresses to minimize the chance of being spotted.

Avoid using VPN servers in countries like China, Russia, Syria, Iran, etc., as your traffic is likely to be blocked by default.

3. Advanced detection technology

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Companies are using advanced technologies like Artificial Intelligence (AI) and Machine Learning to detect VPN traffic . Tools like Deep Packet Inspection (DPI) analyze metadata in transmitted data packets, helping to identify common VPN parameters like encrypted headers or unusual protocols. This makes it easier to detect VPN traffic patterns.

While complete anonymity may not be possible, VPNs with features like 'stealth mode' or 'obfuscation' can help disguise VPN traffic as regular internet data, reducing the likelihood of detection. However, this is not perfect as AI technology and machine learning techniques are rapidly evolving.

4. TLS Fingerprint and Devices

Similar to deep packet inspection, TLS (Transport Layer Security) and device fingerprinting are techniques that websites use to detect VPN usage. Device fingerprinting creates a unique 'fingerprint' by collecting specific device details, so connecting from different locations with the same fingerprint often signals that you are using a VPN.

VPN providers often use unique TLS configurations, and websites can block connections if the TLS fingerprint matches known VPN configurations. While you can't completely bypass such detection, using the same server and a dedicated IP can help. You can also use VPN providers that don't often reuse TLS configurations across multiple users to reduce the chance of detection.

5. Stricter content licensing agreements

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Content licensing agreements often restrict where media can be legally accessed. To enforce these restrictions, platforms must use robust VPN detection to ensure viewers can only access content from approved regions. Companies invest heavily in VPN detection tools to avoid violating agreements with content creators and distributors.

If a service detects a VPN and restricts your access, there's generally not much you can do. You can use a VPN connection with premium servers in the best regions to avoid detection, but you have to avoid doing so to access content that the platform or streaming service isn't allowed to show in your region.

This is why websites and services are now much better at detecting VPN use than they used to be. If a service or platform doesn't allow VPNs, follow that rule to avoid account suspension, especially for financial services.

Kareem Winters

Update 30 October 2024