The Best VPN Services of 2017 –

February 23rd, 2017 Posted in China VPN, ip vpn, IP VPN solution, IPLC, SME IP VPN, SME VPN, VPN | No Comments »

The Best VPN Services of 2017 –

VPN Compare

VPN Compare

Whether it’s for securing sensitive communications, protecting your identity, or streaming Netflix while you’re abroad, a virtual private network (or VPN) is a key security tool.

As consumers, we expect our computer hardware and software to keep us safe. The problem is, we all too often use our computers in risky ways. Connecting to public Wi-Fi networks, for example, is a commonplace practice, but these are also excellent avenues for attackers to seize your personal information. Enter virtual private networks, or VPNs. These services use simple software to secure your Internet connection and give you greater control of how you appear online. You can even use them to stream Netflix from other countries. While you might never have heard of VPN services, they are valuable tools that everyone should have at their disposal, as we’ll explain.

What Is a VPN?
If you’ve ever had to connect to a corporate network while working remotely, you may already be familiar with VPN technology. In the simplest terms, it creates a secure, encrypted connection, which can be thought of as a tunnel, between your computer and a server operated by the VPN service. In a professional setting, this tunnel makes you part of the company’s network as if you were physically sitting in the office, hence the name. While connected to the VPN, all your network traffic passes through this protected tunnel, and no one in between can see what you are up to. A consumer VPN service does the same thing, but for the purposes of protecting data and identity.

Think about it this way: If your car pulls out of your driveway, someone can follow you and see where you are going, how long you are at your destination, and when you are coming back. They might even be able to peek inside your car and learn more about you. With a VPN service, you are essentially driving into a closed parking garage, switching to a different car, and driving out, so that no one who was originally following you knows where you went.

Of course, it would be misleading to claim that any security product is a magic bullet. VPN services, while tremendously helpful, are not foolproof. A determined adversary can almost always breach your defenses in one way or another. Using a VPN can’t help if you unwisely download ransomware on a visit to the Dark Web. What a VPN can do is to protect you against mass data collection and the casual criminal vacuuming up user data for later use.

Who Needs a VPN?
The protection provided by a VPN offers many advantages. First and foremost, it prevents anyone on the same Wi-Fi hotspot (or anywhere else) from intercepting your Web traffic in a man-in-the-middle attack. This is especially handy for travelers and for those using public Wi-Fi networks, such as those at hotels, airports, and coffee shops. VPNs also cloak your computer’s actual IP address, making it harder for advertisers (or spies, or hackers) to track you online.

This is just good security, but there are people for whom a VPN is essential. Journalists and activists rely on VPN services to circumvent government censorship so they can safely communicate with the outside world. Of course, doing so may be against the law, depending on the country in which they’re located.

Some services, such as TorGuard and NordVPN, allow peer-to-peer file sharing and the use of BitTorrent sharing. Others will cancel your subscription if you use their servers for file sharing. Be smart: Don’t ignore the company’s terms of service. That way you can’t complain if you get caught.

How to Choose a VPN Service
The VPN services market has exploded over the past three years. Many providers are capitalizing on the general population’s growing concerns about surveillance and cybercrime, which means it’s getting hard to tell when a company is actually providing a secure service and when it’s throwing out a lot of fancy words while selling snake oil. It’s important to keep a few things in mind when evaluating which VPN service is right for you: reputation, performance, type of encryption used, transparency, ease of use, support, and extra features. Don’t just focus on price, though that is an important factor.

That said, not all VPN services require that you pay. Several of the services we’ve listed here also supply free VPN services. You tend to get what you pay for, as far as features and server locations go, but if your needs are basic, a free service can still keep you safe. TunnelBear, for example, offers a limited but serviceable free VPN.

Some VPN services provide a free trial, so take advantage of it. Make sure you are happy with what you sign up for, and take advantage of money-back guarantees if you’re not. This is actually why I also recommend starting out with a short-term subscription—a week or a month—to really make sure you are happy. KeepSolid VPN Unlimited offers a one-week Vacation subscription, for example. Yes, you may get a discount by signing up for a year, but that’s more money to lose if you realize the service doesn’t meet your performance needs.

If you’re using a service to route all your Internet traffic through its servers, you have to be able to trust the provider. Established security companies, such as F-Secure, may have only recently come to the VPN market. It’s easier to trust companies that have been around a little longer, simply because their reputation is likely to be known. But companies and products can change quickly. Today’s slow VPN service that won’t let you cancel your subscription could be tomorrow’s poster child for excellence.

I’m not a cryptography expert, so I can’t verify all of the encryption claims providers make. I focus, instead, on the features provided. Bonus features like ad-blocking, firewalls, and kill switches that disconnect you from the Web if your VPN connection drops go a long way toward keeping you safe. I also prefer providers that use OpenVPN, since it’s a standard that’s superior to the older PPTP standard. It’s also, as the name implies, open source, so issues with the protocol can be quickly found and addressed.

Be sure to consider transparency and the privacy policy of a VPN service before you buy a subscription. See if the policy spells out what the service does, what information it collects, and what its responsibilities are. Some companies explain that they collect some information but don’t inform you about how they intend to use that information. TorGuard, for example, has a clear explanation of how it keeps track of payment card information without maintaining any logging information. Also, be sure to find out where the company is based. Some countries don’t have data-retention laws, making it easier to keep a promise of “We don’t keep any logs.”

Most users want a full graphic user interface for managing their VPN connection and settings, though a few would rather download a configuration file and import it into the OpenVPN client. Most VPN companies I’ve reviewed support all levels of technological savvy, and the best have robust customer support for when things go sideways.

While a VPN can protect you online, you still might want to take the additional step of avoiding credit cards for moral or security reasons. Several VPN services now accept PayPal, Bitcoin, and other alternate payment methods. In a few cases, VPN services may even accept retailer gift cards. That Starbucks gift card may be better spent on secure Web browsing than a mediocre-at-best latte.

It’s also important to remember what a VPN can and cannot do. While it will hide your IP address, it’s not a true anonymization service. For that, you’ll want to access the Tor network, which will almost certainly slow down your connection. 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.

Using a VPN for Netflix
Borders still exist on the Web. New, major-release films and television shows are often released on Netflix outside of the US and only available for purchase via Amazon, iTunes, or on the Windows Store within the US. But if you were to select a VPN server in a country with rights to the show, your computer’s IP address would appear to be in that country, allowing you to view the content. Of course, you might find Netflix in other countries to be even more restrictive. You won’t be able to watch House of Cards in Bulgaria, for example.

The trouble is that Netflix and similar streaming services are getting wise to the scam. In my testing, I found that Netflix blocked streaming more often than not when I was using a VPN. There are a few exceptions, but I also have to assume that Netflix is actively working to protect its content deals. What works today may not work tomorrow.

You’ll note that I said “scam,” above, and that is more or less true. Just because you paid for Netflix in one place does not mean you’re entitled to the content available on the same service but in a different location. Media distribution and rights are incredibly messy and complicated. You may or may not agree with the laws and terms of service surrounding media streaming, but you should definitely be aware that they exist and understand when you’re taking the risk of breaking them.

The Performance Problem
While it’s often said that having to choose between security and convenience is a false dichotomy, it is at least somewhat true in the case of VPN services. When a VPN is active, your Web traffic is going through many more steps than normal and likely being bounced around in surprising ways. The end result is that your Internet connection will likely be more sluggish than normal.

The good news is that using a VPN probably isn’t going to remind you of the dial-up days of yore. Most services provide perfectly adequate Internet speed when in use and can even handle streaming HD video. 4K video and other data-intensive tasks like gaming are another story. Some VPN services, like NordVPN, have started to roll out specialty servers for high-bandwidth activities. And nearly every service I’ve tested includes a tool to connect you with the fastest available network. Of course, you can always limit your VPN use to when you’re not on a trusted network.

In some very rare cases, VPN services can actually improve your Internet performance. That’s the case for PureVPN, IPVanish, and ExpressVPN. This is likely because these services have access to high-bandwidth infrastructure that your traffic is routed through when the service is active.

Using a Mobile VPN
I used to advise people to do banking and other important business over their cellular connection when using a mobile device, since it is generally safer than connecting with a public Wi-Fi network. But even that isn’t always a safe bet. Researchers have demonstrated how a portable cell tower, such as a femtocell, can be used for malicious ends. The attack hinges on jamming the LTE and 3G bands, which are secured with strong encryption, and forcing devices to connect with a phony tower over the less-secure 2G band. Because the attacker controls the fake tower, he can carry out a man-in-the-middle attack.

Admittedly, this is an exotic attack, but it’s far from impossible. And Wi-Fi attacks are probably far more common than we’d like to believe. That’s why I recommend getting a VPN app for your mobile device to protect all your mobile communications. Even if you don’t use it all the time, using a mobile VPN is a smart move to protect your personal information.

Most VPN services offer apps on both Android and iOS, saving you the trouble of configuring your phone’s VPN settings yourself. VPN providers typically allow up to six devices to be connected simultaneously under a single account. Also, while there are free VPN services available, many require that mobile users sign up for a paid subscription.

Not all mobile VPN apps are created equal. In fact, most VPN providers offer different services (and sometimes, different servers) on their mobile offerings than what is available on their desktop counterparts. I was pleased to see that NordVPN and Private Internet Access provide the same excellent selection of servers regardless of platform. These apps received an Editors’ Choice nod both for desktop VPN apps and Android VPN apps.

One feature of note for Android users is that some VPN services also block online ads and trackers. While iPhone owners can use apps like 1BlockerFree at iTunes Store to remove ads and trackers from Safari, ad blockers aren’t available on the Google Play store. But if you were to use Spotflux or Private Internet Access, ads would be a thing of the past.

Pick a VPN Service Already!
Computer and software providers work hard to make sure that the devices you buy are safe right out of the box. But they don’t provide everything you’ll need. Antivirus software, for example, consistently out-performs the built-in protections. In the same vein, VPN software lets you use the Web and Wi-Fi with confidence that your information will remain secure. It’s critically important, and oft-overlooked.

Even if you don’t use it every moment of every day, a VPN is a fundamental tool that everyone should have at their disposal—like a password manager or online backup service. And one that will only become more important as our devices become more connected. So get safe, and get a VPN.

Click through the review links of the best VPN services below for detailed analysis and performance results, and feel free to chime in on the comments section below them.

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Free VPN – 5 Best Free VPNs – How Reliable Are They?

February 23rd, 2017 Posted in China VPN, VPN | No Comments »

Free VPN – 5 Best Free VPNs – How Reliable Are They?

VPNs are an indispensable tool for digital privacy. Sadly not many free VPN providers are trustworthy, secure and reliable. We understand, however, that some people want access to a free VPN for security. That is why we have searched far and wide for the 5 top free VPNs of 2017!
What will a free VPN do?

A VPN provides you with encryption to secure your data. That means that governments, ISPs, landlords, or anyone else that might be trying to ‘sniff’ your traffic can’t see what you are doing. Furthermore, a VPN allows you to ‘spoof’ your location to overseas. This can allow you to access Geo-restricted content!
No substitute for a paid VPN subscription!

It is important that you understand that although the free VPNs in this guide are the 5 best free options of 2017, it is also true that being free makes them somewhat limited and restrictive. With that said, these free VPNs have been extensively tested and are well worth using when necessary.
A Warning

Many free VPNs are a security nightmare. Free VPNs often sell user data on to third parties. Others handle data in an insecure way or provide outdated encryption that can be easily hacked. That is why we must urge you never to download an untrusted free VPN. The ramifications could be serious!

Remember, we highly advise subscribing to a fully featured VPN service. Costs are low, and there really is no substitute for the security that you get with a fully featured VPN!

Here are 5 Amazing VPNs for 2017. As an extra, we have included some other free privacy options too! We hope that using a free VPN inspires you to subscribe to a fully featured option – because this is defnitely our recommended strategy.

Our Free VPN (Virtual Private Network) server is designed with the latest technologies and most advanced cryptographic techniques to keep you safe on the internet from prying eyes and hackers. Our VPN securely routing all your internet traffic through an encrypted tunnel to bypass government censorship, defeat corporate surveillance and monitoring by your ISP. VPNBook strives to keep the internet a safe and free place by providing free and secure PPTP and OpenVPN service access for everyone.

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美國大學生投訴上網慢 調查後發現 DNS 伺服器遭自動售賣機 DDoS

February 23rd, 2017 Posted in cloud computing, cloud hosting, Cloud Hosting Service | No Comments »

美國大學生投訴上網慢 調查後發現 DNS 伺服器遭自動售賣機 DDoS

美國大學生投訴上網慢 調查後發現 DNS 伺服器遭自動售賣機 DDoS

大家在大學上網時有沒有覺得速度很慢?有沒有想過背後原因?美國一間大學有學生感到上網速度緩慢,校方調查後發現他們的 DNS 伺服器遭到 DDoS 攻擊,而元凶居然是校內的自動售賣機。

校園逾 5,000 部物聯網裝置遭入侵

Verizon 一份即將公布的報告表示,美國一間大學早前收到學生投訴,指上網速度緩慢。職員調查後發現,校內的 DNS 伺服器遭到 DDoS 攻擊。

深入分析後發現,大部分的流量都是查詢子網域與海鮮相關的網站,很可能是來自彊屍網絡。最後他們發現原來流量是來自校園內逾 5,000 部物聯網裝置,包括自動售賣機和燈泡。該些裝置均因為使用預設密碼而感染了惡意軟件。


近期物聯網裝置的安全成為關注重點,去年惡意程式 Mirai 便利用有漏洞的裝置如攝像機、路由器等發動流量高達 1 Tbps 的 DDoS,亦試過攻擊寄存公司 Dyn,間接影響 Twitter 和 Spotify 等服務。

Source : The Register

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全球雲端流將達 14.1 ZB!物聯網及數據庫工作負載增長迅速

February 23rd, 2017 Posted in cloud computing, Cloud Hosting Service, Data Center HK, Data Center Hosting | No Comments »

全球雲端流將達 14.1 ZB!物聯網及數據庫工作負載增長迅速

為了提升營運效率,不少企業正部署雲端服務,而且規模愈來愈大。Cisco 的「全球雲端指數(2015-2020)」預測,全球雲端流量將由 2015 年的每年 3.9 zettabytes (ZB)上升至 2020 年的每年 14.1 ZB,增長達 3.7 倍。迅速增長的雲端流量,與更多企業轉移到可迅速擴展的雲端架構,較傳統數據中心更有效支援大量的工作負載有關。


1: 業務工作負載持續增長,並主導數據中心應用

由 2015 年至 2020 年,業務工作負載將增長 2.4 倍,但業務工作負載佔整體數據中心工作負載的比例將由 79% 下降至 72%。
2: 消費者工作負載量較少,但增長較業務工作負載為快,達 3.5 倍

至 2020 年,消費者工作負載佔整體數據中心工作負載的比例將由 2015 年的 21%(3,860萬美元)上升至 28%(1.343億)。
3: 物聯網、分析工具及數據庫工作負載在業務工作負載的佔有率增長最為迅速,而協作及運算負載則維持其大部分的所佔份額

至 2020 年,物聯網、分析工具及數據庫工作負載將佔整體業務工作負載的 22%,較 2015 年的 20% 有所上升。
4: 視頻和社交網絡將引領消費者工作負載增長,兩者分別錄得顯著升幅

至 2020 年,視頻串流的工作負載將佔總消費者工作負載的 34% ,而 2015 年則為 29%;社交網絡的工作負載將佔總消費者工作負載的 24%,而 2015 年則為 20%; 搜尋器工作負載將佔總消費者工作負載的 15%,比 2015 年的 17% 稍為下降。
Cisco 亦預期,超大型數據中心的數量將由 2015 年的 259 個增加至 2020 年的 485 個,其流量則將在未來五年內增長五倍。這些基建將佔數據中心安裝的伺服器總數的 47%,並在 2020 年前支援 53% 的總數據中心流量。

轉移至超大型及其他數據中心是 IT 基建的大趨勢。軟件定義網絡( Software Defined Networking,SDN)和網絡功能虛擬化(Network Functions Virtualization,NFV )能夠協助精簡數據中心架構,並簡化流量。在未來五年,全球近六成超大型數據中心將部署 SDN/NFV 解決方案。營運商將不斷努力提高效率,預計至 2020 年,由 SDN/NFV 平台支援的數據 中心流量將由 2015 年的 23% 上升至 44%。

除此之外,Cisco 認為物聯網將會衍生海量數據。全球而言,由物聯網產生的儲存或未儲存之數據將在 2020 年達到每年 600 ZB,相比由數據中心傳送至終端用戶及裝置所產生的 2.2 ZB 預計流量高 275 倍;相比達 15.3 ZB 的預計數據中心總流量則高出 39 倍。

Source :

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助開發者機械學習 Google Compute Engine 現已支援 GPU

February 23rd, 2017 Posted in cloud computing, Cloud Hosting Service | No Comments »

助開發者機械學習 Google Compute Engine 現已支援 GPU

Google 雲端平台宣布用戶現可部署最多 8 個 GPU 於 Google Compute Engine 的虛擬機器之內,提升運算速度,適用於深度學習以及多種複雜的分析工作。

Google Compute Engine 所用的 GPU 為 NVIDIA Tesla K80,可部署在 us-east1、asia-east1、europe-west1 的虛擬機器內,用戶最多可部署 8 個 GPU。每個 K80 有 2,496 個串流處理器(Stream processor)以及 12GB GDDR5 記憶體。

透過提升運算速度,用戶可使用TensorFlow、Theano、Torch、MXNet 和 Caffe 等框架來進行深度學習,亦可進行多種複雜的分析工作,如影像轉碼、地震分析、分子建模、基因組學、金融工程、模擬、高性能數據分析、化學工程、金融、流體動力學和可視化。在美國,每個 GPU 每小時收 0.7 美元,其餘地方為 0.77。

Source : Google

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