Most VPN clients also let you set compulsory tunnels or disable split tunnels so that when the client has a VPN tunnel established, the client doesn't allow communications from outside channels. This restriction prevents an attacker who compromises the VPN client computer from leapfrogging from the Internet onto your network. These client measures aren't silver bullets, but they thwart all but the most serious attackers. Unfortunately, most software-based VPNs, including the XP and Win2K VPN clients, don't offer these protections.
In terms of general performance, Hide My Ass! around the average mark with a quick and stable 6.4MB/s (51.2Mbit/s) for FTP to 6.9MB/s (55.2Mbit/s) HTTP via UK endpoints, and 8.8MB/s (70.4Mbit/s) for FTP and 7.2MB/s (57.6Mbit/s) HTTP in the Netherlands. In other words, pretty good going. VPN connections to the U.S. are almost invariably slower than those to closer geographic endpoints, as you’d expect, the 2.12MB/s (16.96Mbit/d) we got with Hide My Ass this time around was definitely below average.
Below we conducted a WebRTC Test from Browser Leaks on the provider. The process involved connecting to a server in the UK. PureVPN managed to cloak your identity quite successfully! As you can see, there are no signs of any leakages in the test. The VPN successfully manages to hide your local IP address and IPv6 address, revealing only the public IP address, which is that of a UK location.
If VPN connections get blocked by your network because of strict network management or government censorship, TorGuard offers a “stealth” connection to avoid deep packet inspection. Specifically, TorGuard uses Stunnel (a clever portmanteau of SSL and tunnel) to add an extra layer of encryption and make your traffic look like normal, secure Web traffic. If you’re having connection issues, you can enable Stunnel with a checkbox on the main application window, but only if you select TCP from the protocol list. (Otherwise, the box is unclickable, with no explanation as to why.)