Bypassing a VPN Block on Public Wi-Fi

Avoiding a VPN block on a public Wi-Fi network

VPNs have been the detour through tricky Internet roadblocks imposed by different entities. A few examples are workplaces, schools, libraries and locations that block specific websites. What happens when the detour gets blocked, too?

Virtual Private Networks have long been a sanctuary for users who want to share private information or view blocked websites without the knowledge of their ISP or any entities trying to snoop on them. This is useful for file-sharing, or passing information that is proprietary, such as business emails. Lately, however, the VPNs themselves are being blocked in some public areas.

It’s Easy to Identify a VPN on Public Wi-FI

There are some ways that make it possible for public Wi-Fi to block VPN traffic. Routers can scrutinize Internet packets, allowing them to identify a VPN and block its traffic. Additionally, the entity responsible for the network can block traffic originating from known or popular VPN ports and IP addresses.

Avoid VPN Blocking with a Different Protocol

Remember that VPNs are identified by their protocols. PPTP uses port 1723, while L2TP uses port 1701, for instance. Changing them will assign a new port for each connection. To avoid being blocked on a public Wi-Fi network, try changing to OpenVPN TCP port 443. Most VPNs have this option in their settings.

This is effective because standard HTTPS uses this port for online shopping, banking, or other e-commerce situations. The VPN traffic will blend right in, using port 443’s SSL/TLS encryption. This will make it very difficult to identify.

While most VPNs have this option, some may not. These VPNs usually have a dedicated server for this port.


Although many public Wi-Fi spaces are trying to block the use of a VPN software, it’s still possible to overcome such restrictions. The TCP protocol is literally the safest choice, allowing you o have extra protection and bypass blocks in public Wi-Fi.

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