Despite their purported use to protect user anonymity while browsing the internet, 23% of VPN providers may actually leak user IP addresses, according to a security report from VoidSec.
Of the 83 VPN apps tested, there were 17 found to be leaking information on the IP addresses, according to the report. This functionality could be also used to de-anonymize and trace users behind common privacy protection services such as: VPN, SOCKS Proxy, HTTP Proxy and in the past (TOR users).
Of the VPN providers tested, here are the ones that leaked IP addresses:
- BolehVPN (USA Only)
- ChillGlobal (Chrome and Firefox Plugin)
- Glype (Depends on the configuration)
- Hola!VPN Chrome Extension
- HTTP PROXY navigation in browser that support Web RTC
- IBVPN Browser Addon
- PHP Proxy
- psiphon3 (not leaking if using L2TP/IP)
- SOCKS Proxy on browsers with Web RTC enabled
- SumRando Web Proxy
- TOR as PROXY on browsers with Web RTC enabled
- Windscribe Addons
Adapted from an article on techrepublic.com
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