Obfuscation & DPI Bypass

If your VPN is being blocked by Deep Packet Inspection (DPI) — common in corporate networks, hotels, universities, and countries with heavy internet censorship like China — VPNUK's obfuscation protocol can help.

What is Obfuscation?

Standard VPN connections (OpenVPN, IKEv2 etc.) have recognisable patterns in their network traffic. Deep Packet Inspection (DPI) firewalls detect these patterns and block VPN traffic even when it's on port 443 (normally used for HTTPS).

Obfuscation scrambles the VPN traffic to make it look like ordinary HTTPS web traffic. DPI firewalls cannot distinguish it from normal browsing and allow it through.

When Should I Use Obfuscation?

• Travelling to or living in China, Iran, UAE, Russia or other heavily censored countries
• On a corporate or school network that blocks VPN connections
• Hotel, airport or public WiFi that restricts VPN traffic
• Your ISP appears to be throttling or blocking VPN connections specifically

How to Set Up Obfuscation

1. Log in to the Members Area
2. Use the Obfuscation Config Generator (button below) to generate your obfuscated config file
3. Download and import the config file into your OpenVPN client
4. Connect as normal — your traffic will now appear as regular HTTPS

Notes & Limitations

• Obfuscation may be slightly slower than standard OpenVPN due to the additional processing layer
• It requires OpenVPN — not compatible with IKEv2, L2TP or WireGuard
• For best results in China, connect before crossing the border or switching to a Chinese SIM
• If obfuscation doesn't work on your specific network, contact our team — we may have additional options