Virtual LAN (VLAN) is a Layer 2 technique that allow for the coexistence of multiple local area network (LAN) broadcast domains, interconnected via trunks using the IEEE 802.1Q trunking protocol. Other trunking protocols have been used but have become obsolete, including Inter-Switch Link (ISL), IEEE 802.10 (originally a security protocol but a subset was introduced for trunking), and ATM LAN Emulation (LANE).
The best way to think of a VPN is as a secure tunnel between your PC and destinations you visit on the internet. Your PC connects to a VPN server, which can be located in the United States or a foreign country like the United Kingdom, France, Sweden, or Thailand. Your web traffic then passes back and forth through that server. The end result: As far as most websites are concerned, you’re browsing from that server’s geographical location, not your computer’s location.
While it hides your IP address, a VPN is not a true anonymization service. For that, you'll want to access the Tor network, which will almost certainly slow down your connection. While a VPN tunnels your web traffic to a VPN server, Tor bounces around your traffic through several volunteer nodes making it much, much harder to track. Using Tor also grants access to hidden Dark Web sites, which a VPN simply cannot do. That said, some services, such as NordVPN, offer Tor access on specific servers. IVPN offers a similar feature called multi-hop VPN, which lets you route your web traffic in tricky ways.
Because the firewall does not have the encryption keys for each VPN connection, it can only filter on the plaintext headers of the tunneled data, meaning that all tunneled data passes through the firewall. However, this is not a security concern because the VPN connection requires an authentication process that prevents unauthorized access beyond the VPN server.
More accessibility. It can be frustrating if you’ve ever traveled abroad and tried to use a website only to find that it isn’t available in that country. It can be especially frustrating if you were counting on using that site or sites for a business or educational venture. Thankfully there are ways of getting around that with a free VPN account. Our services will mask your location, giving you the freedom to explore and share content as you please, opening up more channels of communication and collaboration if desired.
Last on our fastest VPN list is OpenVPN, which is a blend of highly secured encryption keys, up to 256-bit session, and fast VPN nodes. It is an open source application that utilizes OpenSSL library SSLv3/TLSv1 protocols. OpenVPN uses both UDP and TCP protocols where UDP is faster while TCP is best known for breaking the firewalls. The downside of OpenVPN is that it doesn’t support any platform, but with the help of third-party softwares, you can install a fast VPN connection on your desired OS/Device.
IPVanish is a top pick, especially for Kodi and torrenting, due to excellent speeds, zero logging and extensive privacy tools. It’s ultra fast on local connections but less consistent internationally across a network that’s mid-sized for locations but super-sized for servers and IP addresses. Netflix is working but iPlayer is currently blocked, which is a shame as it’s otherwise fantastic for streaming.
Servers – The number of servers and geographical distribution of these servers is another important factor that determines the quality of a VPN. The greater the server network, the fewer problems you are likely to encounter such as overcrowded servers and downtime. A strong server infrastructure signifies a high standard of VPN performance standard.
However, you've got no choice but to run TunnelBear's client software (unless you use Linux), which may concern some privacy-minded users, and there's no option to set up TunnelBear connections on routers or other devices. Last but not least, this tiny Canadian firm is now owned by U.S. antivirus giant McAfee, which may mean TunnelBear is subject to U.S. search warrants.
Some VPN services will limit the total amount of data you can send and receive, either in one connection session or over the period of a month. Other VPN services will limit the speed of the data, effectively sharing less of their pipe with you than might be optimal. That could slow your browsing experience to a crawl or completely prevent you from watching streaming video.
No company came closer to being a pick than ExpressVPN. It has a huge server network that performed well in our tests, plus easy-to-use applications on tons of platforms, and strong security technologies in place. A representative answered all our questions about company operations at length—except one. As noted in a PCWorld review of the service, ExpressVPN chooses not to disclose the company’s leadership or ownership. The company representative told us that this policy enabled ExpressVPN to build a private and secure product without compromise. “We think that this approach has been effective until now and that coupled with a stellar VPN product, we have succeeded in gaining a solid reputation in our industry. We are fortunate to be trusted by the many users worldwide who choose ExpressVPN.”
Password Authentication Protocol (PAP) is a clear-text authentication scheme. The NAS requests the user name and password, and PAP returns them in clear text (unencrypted). Obviously, this authentication scheme is not secure because a malicious user could capture the user's name and password and use it to get subsequent access to the NAS and all of the resources provided by the NAS. PAP provides no protection against replay attacks or remote client impersonation once the user's password is compromised.
Price: proXPN has a free plan, which limits your transfer speeds to 300kpbs and restricts you to one exit location (Miami) in the United States. Premium accounts unlock support for PPTP (if you want to connect a mobile device or a router,) remove the transfer cap, and allows you to choose from any of the company’s other exit locations. Premium plans start at $10/mo, and you can read more about their pricing and plans here.
The best VPN services offer a robust balance of functions, server location, connectivity protocols, and price. Some are great for occasional use, others are geared towards surrounding location constraints that companies place on their apps and services, and others are focused on people who download a lot of content and want some privacy while they do.
Windscribe, one of the best free VPNs out there, is definitely a user favorite. While its adblocker and firewall can be a little aggressive, Windscribe’s generous data allowance and commitment to privacy easily make it one of our top free picks. Not only does it allow 10 GB of data month, you get an extra 5 GB for tweeting about the service, and an extra 1 GB every time you refer a friend.
Windscribe offers unlimited device connections. Yes you heard that right! The reason is that unlike the others above on this list, it doesn't offer unlimited data. So you're limited by bandwidth and data, not by devices. You get 10GB every month, and there's a free plan also but that only allows one device. There are apps for Windows, Mac and iOS but not Android, and the service also offers browser add-ons with useful features such as ad-blocking. Short range performance (to US sites) is good, but we noticed lag with transatlantic connections. However, if you’re looking to protect the data from a whole bunch of devices - an office, perhaps, or just a smart home - the support for unlimited connections is a real stand-out feature.
The main drawback is that VPN.ac maintains connection logs for network security, which they clearly explain on their website. These logs do not include any browsing or activity, but instead, just basic connection data and everything is erased daily. All support inquiries are handled internally by the network security professionals who run the service (no third-party support).
We always advise our readers to take speed tests with a grain of salt; too many factors are at play but believe me there’s no such thing as the “fastest VPN,” no matter how many companies claim. While reviewing VPNs, we test the internet speed using different tools that measure three essential elements; latency, download speeds, and upload speeds. We compare VPNs, keeping these three areas into mind.
This is important to understand. Consumer VPN services protect your transmission from your location to their location, not from your location all the way to the destination application you're using. If you think about it, this makes sense: A consumer VPN service is operated by a completely different company than, for example, Facebook or your bank.
We’ve shown you how to roll your own VPN using Hamachi, and even how to set up Privoxy to secure your web browsing once you have your personal VPN set up. Hamachi isn’t the only option: you can also download and configure OpenVPN (a free SSL VPN) on your own home server,, or if you have a router that supports it, enable OpenVPN on your home router so you can connect back to it when you’re abroad. Combined with Privoxy, you get the privacy and anonymity benefits of a VPN without spending a dime.
Many VPN services also provide their own DNS resolution system. Think of DNS as a phone book that turns a text-based URL like "pcmag.com" into a numeric IP address that computers can understand. Savvy snoops can monitor DNS requests and track your movements online. Greedy attackers can also use DNS poisoning to direct you to bogus phishing pages designed to steal your data. When you use a VPN's DNS system, it's another layer of protection.