Once you’re connected to VPN servers that store no information about you, everything that you do online is encrypted and anonymized. More info on this in The Best VPN for China guide. Chameleon ( VyprVPN), StealthVPN ( TorGuard) and SoftEther ( Hide.Me) are custom encryption protocols specifically designed to hide VPN traffic and make it completely undetectable. The most effective way to bypass DPI is to “scramble” OpenVPN data or to mask OpenVPN to make it look like regular HTTPS traffic. The firewall that uses DPI can distinguish regular browsing (HTTPs traffic) from OpenVPN data and selectively block the latter. Deep Packet Inspection method is commonly used by restrictive governments like China and Iran. However, should the school invest into an advanced firewall that can detect encrypted traffic, a simple port forwarding can no longer bypass it.
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For this reason, SSTP is not an option for Mac users. SSTP is a secure alternative to OpenVPN, but it only works on Windows. Once port forwarding is setup, uTorrent, BitTorrent, Vuze and other torrenting apps will use port 443 to download and upload files.Īlternatively, SSTP can be used without port forwarding because it is the only encryption protocol that runs on port 443 by default.
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Even though mobile devices do not support this feature, VPN providers that we listed below offer port forwarding in their desktop software (Windows and Mac).
While ports that OpenVPN, IPsec, L2TP, PPTP and BitTorrent clients are using are blocked.Īn easy workaround is to choose a VPN provider that allows OpenVPN port forwarding to port 443 because encrypted HTTPS traffic uses it by default. Regular browsing requires at least port 53 for DNS requests, port 443 for HTTPS websites (encrypted traffic) and port 80 for HTTP websites (unencrypted traffic).įor this reason port 443, 80 and 53 are always open. School implemented expensive traffic filtering that can detect encryption tools: Deep Packet Inspection (DPI)Ĭonsidering that DPI is quite advanced and expensive most schools block VPN ports (like port 1194 that OpenVPN uses).Ports that VPN protocols use (OpenVPN: 1194) are blocked by the firewall, but HTTP/HTTPS ports are open.Schools block VPN services using the following techniques: While many schools only block torrenting ports to ensure their students do not abuse the network, certain schools additionally block VPN services that can lift Internet restrictions and provide access to BitTorrent content. Since piracy is illegal, torrenting is also not allowed on college WiFi connections.
Note: If your school only blocks torrents, but doesn’t block VPNs, you may want to refer to The Best VPN to Torrent at School guide.Ĭollege WiFi networks tend to block a number of websites such as Facebook, Reddit, Twitter, Imgur, Instagram, YouTube, Netflix and Hulu.
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