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Critical 'Port Fail' Vulnerability Reveals Real IP Addresses of VPN Users

Critical 'Port Fail' Vulnerability Reveals Real IP Addresses of VPN Users

November 27, 2015Mohit Kumar
A newly discovered flaw affecting all VPN protocols and operating systems has the capability to reveal the real IP-addresses of users' computers, including BitTorrent users, with relative ease. The vulnerability, dubbed Port Fail by VPN provider Perfect Privacy (PP) who discovered the issue, is a simple port forwarding trick and affects those services that: Allow port forwarding Have no protection against this specific attack Port Forwarding trick means if an attacker uses the same VPN ( Virtual Private Network ) as the victim, then the real IP-address of the victim can be exposed by forwarding Internet traffic to a specific port. "The crucial issue here is that a VPN user connecting to his own VPN server will use his default route with his real IP address, as this is required for the VPN connection to work," Perfect Privacy wrote in a blog post on Thursday. Also Read:  This Secure Operating System Can Protect You Even if You Get Hacked . Port Fail
WebRTC Vulnerability leaks Real IP Addresses of VPN Users

WebRTC Vulnerability leaks Real IP Addresses of VPN Users

February 03, 2015Mohit Kumar
An extremely critical vulnerability has recently been discovered in WebRTC (Web Real-Time Communication) , an open-source standard that enables the browsers to make voice or video calls without needing any plug-ins. AFFECTED PRODUCTS Late last month, security researchers revealed a massive security flaw that enables website owner to easily see the real IP addresses of users through WebRTC , even if they are using a VPN or even PureVPN to mask their real IP addresses. The security glitch affects WebRTC-supporting browsers such as Google Chrome and Mozilla Firefox, and appears to be limited to Windows operating system only, although users of Linux and Mac OS X are not affected by this vulnerability. HOW DOES THE WebRTC FLAW WORKS WebRTC allows requests to be made to STUN (Session Traversal Utilities for NAT) servers which return the "hidden" home IP-address as well as local network addresses for the system that is being used by the user. The results of t
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