What is a VPN or how to protect the network. VPN - what it is, server configuration

The ability to combine remote offices of the company among themselves on protected communication channels is one of the most common tasks when building a distributed network infrastructure for companies of any size. There are several solutions to this task:

Rental channels from the provider: common and reliable option. The provider provides a dedicated physical or logical communication channels. Such channels are often called "point-to-point"

Advantages:

1. Easy connection and use - maintenance of equipment and channels is fully imposed on the provider;
2. Guaranteed channel width - the data transfer rate always corresponds to the stated provider;

Disadvantages:

1. Security and control - the company cannot control the equipment on the side of the provider.

Building its own (physical) links: a reliable and cost-effective solution, since the construction of the physical communication channel is fully covered by the company. With this decision, the company fully controls and serves constructed channels

Advantages:

1. Flexibility - the possibility of deploying channels that meet all the necessary requirements;
2. Security and control - full control of the channel, since it belongs to the company;

Disadvantages:

1. Deployment - Building such private channels time-consuming and costly solution. Laying kilometers of optics on the columns can stand in a round sum. Even if you do not take into account the obtaining permissions of all states. instances;
2. Service - Channel service is fully imposed on the company, so the state must have highly qualified specialists to ensure its performance;
3. Low fault tolerance - external optical communication lines are often subject to unintentional damage (construction equipment, utilities, etc.). The detection and correction time of the optical communication link may take several weeks.
4. Limited by one location - to lay external optical communication lines is relevant only if the objects are located within a few tens of kilometers. Pull connection to another city for hundreds and thousands of kilometers is not possible for considerations of common sense.

Building a secure channel via the Internet (VPN): This solution is relatively budget and flexible. To combine remote offices, it is enough to connect to the Internet and network equipment with the possibility of creating VPN connections

Advantages:

1. Low cost - the company pays only access to the Internet;
2. Scalability - To connect a new office, you need the internet and router;

Disadvantages:

1. Channel bandwidth - data transfer rate may vary (no guaranteed bandwidth);

In this article, the last item will be considered in more detail, namely, what advantages provide business VPN technology.
Virtual Private Network (VPN) is a set of technologies providing a secure connection (tunnel) of two or more remote local networks through a public network (approx. Internet).

Unique advantages of geographically distributed VPN networks

Protection of transmitted traffic: Transmit traffic via VPN tunnel safely when using crypto-resistant encryption protocols (3DES, AES). In addition to encryption, the integrity of the data and authentication of the sender is provided, eliminating the possibility of substitution of information and connecting the attacker.

Connection Reliability: Maintenance Manufacturers Improve VPN Connection Technologies, providing automatic recovery VPN tunnels in case of short-term failure of the connection to the public network.
Mobility and convenience of connection: to local network Companies can be connected from anywhere in the world and practically from any modern device (smartphone, tablet PC, laptop), while the connection will be protected. Most multimedia manufacturers have added support for VPN to their products.

Reservation and load balancing: If you use two providers when connecting to the Internet (for balancing / failover), it is possible to balancing the traffic of VPN tunnels between providers. In case of failure of one of the providers, the tunnel will use the backup connection.

Traffic Prioritization: The ability to control traffic using QoS is the priority of voice, video traffic in the event of a high load on the tunnel.

VPN network in business

Single network

Association of territorially distributed local networks companies in unified Network (Connecting branches to the main office) greatly simplifies the interaction and exchange of data within the company, reducing maintenance costs. Any corporate systems Require a single network space for employees. It can be IP telephony, accounting and financial accounting systems, CRM, video conferencing, etc.

Mobile access

Regardless of the location of the employee, if there is an Internet and laptop / smartphone / tablet, an employee can connect to the company's internal resources. Thanks to this advantage, employees have the opportunity to perform work and quickly solve the tasks, while outside the office.

Combining networks of different companies

Often it is necessary to combine networks of business partners, while such an association can be organized both with restriction and without restricting access to internal resources each of the companies. Such an association simplifies interaction between companies.

Remote IT-Infrastructure Management

Thanks to a protected remote access to the company's IT-infrastructure equipment, the administrator is able to solve the tasks set as soon as possible and respond to the problems arising.

Quality of service

Traffic video conferencing, IP telephony and some other applications require a guaranteed channel width. Thanks to the use of QoS in VPN tunnels, for example, you can combine the IP telephony of the company's local network and a remote office.

Application of distributed VPN networks and corporate data networks (KSPD)

After analyzing the requirements and objectives of organizations of various scale, we have compiled a common picture on solutions for each of them. The following is a description of typical VPN technology implements in the company's network infrastructure.

Solutions for small businesses. Often, the requirements for such a solution are the ability to connect remote users (up to 10) to the internal network and / or uniting networks of multiple offices. Such solutions are simple and rapid in deployment. For such a network, the presence of a backup channel is recommended at a speed below or the same as the main one. The backup channel is passive and used only in case of disconnection of the main (VPN tunnel is automatically built on the backup channel). Reservation of border equipment for such solutions is rarely applied and often unreasonable.

Traffic transmitted on tunnel - traffic internal applications (Mail, Web, Documents), voice traffic.

Channel Reservation Need: Average

Equipment Reservation Need: Low

Solutions for medium businesses. Along with connecting remote employees (up to 100), network infrastructure Must ensure the connection of several remote offices. For such solutions, reservation of the Internet channel must, with this bandwidth The backup channel must be comparable at the speed of the main channel. In many cases, the backup channel is active (load balancing between channels). It is recommended to reserve the equipment of critical network nodes (approx. Edge Router of the Central Office). Topology VPN network - Star or Partial Mesh.

Equipment Reservation Need: Average

Solutions for large business, distributed network of branches. Such large-scale networks are complex in deployment and support. The topology of such a network from the point of view of the organization's VPN tunnels can be: star, Partial Mesh, Full Mesh (Scheme is given Full Mesh). Channel reservation is required (you can more than 2 providers), as well as the redundancy of the equipment of critical important network nodes. All or several channels are active. In networks of this level, highlighted physical channels are often used (Leased Lines) or VPN provided by providers. In such a network, it is necessary to provide maximum reliability and fault tolerance in order to minimize business downtime. Equipment for such networks - the flagship line of the Enterprise class or provider equipment.

Traffic traffic transmitted via tunnel - traffic of internal applications (mail, web, documents), voice traffic, video conferencing traffic.

Channel Reservation Need: High

Equipment Reservation Need: High

Educational institutions. For educational institutions Characterized by connecting to the network management center. The volume of traffic is most often not high. Reservation requirements are set in rare cases.

Medical institutions. For medical institutions there is an acute issue of reliability and high fault tolerance of communication channels and equipment. All branches of the territorially distributed network use redundant channel-forming equipment and several providers.

Retail solutions (store chains). Network stores are distinguished by the mass of locations (these can be thousands of stores), and relatively not high traffic to the main office (data center). Reservation of equipment in stores is most often not appropriate. It is enough to reserve the connection to the provider (in the format "The second provider on pickup"). However, the requirements for equipment that is in the data center (the main office) is high. Since this point terminates thousands of VPN tunnels. Permanent monitoring of channels, reporting systems, compliance with security policies, etc.

Implement distributed VPN networks and corporate data transmission networks (KSPD)

The choice of the necessary equipment and the correct implementation of the service is a difficult task requiring a high expertise from the Contractor. Lanka company fulfills the most difficult projects for many years and has tremendous experience in such projects.

Examples of some projects to implement KSPD and VPN implemented by Lanka

Customer	Description of work performed
	Equipment Manufacturer: Juniper Solution: The connection of six remote branches of the company to the main office on the topology star on protected communication channels was carried out.
Solution: Internet connection and building VPN tunnels in offices in Moscow and Geneva were connected to the Internet.
	Equipment Manufacturer: Cisco Solution: Deleted offices are combined on a protected channel with fault tolerance on providers.

In this article we will answer the most fAQ What is a VPN server, can we tell if VPN will increase your security, do you need to use Double VPN and how to check whether VPN service logs, as well as what modern technologies There are to protect personal information.

VPN is a virtual private network that provides encryption between the client and the VPN server.

The main purpose of VPN is the traffic encryption and the change of the IP address.

Let's see for what and when it is necessary.

What is needed vpn

All Internet providers log in the activities of their customers on the Internet. That is, the Internet provider knows which sites you visited. It is necessary in order to give all information about the violating information in the case of requests from the police, as well as to remove all legal responsibility for the user's actions.

There are many situations when the user needs to protect their personal data on the Internet and get freedom of communication.

Example 1. There is a business and it is necessary to transmit confidential data over the Internet so that no one can intercept them. Most companies use VPN technology to transfer information between branches of companies.

Example 2. Many Internet services operate on the principle of geographic binding to the area and prohibit access to users from other countries.

For example, Yandex music service works only for IP addresses from Russia and the countries of the former CIS. Accordingly, the entire Russian-speaking population living in other countries does not have access to this service.

Example 3. Locking certain sites in the office and in the country. Often in offices block access to social networksSo that workers do not spend working hours for communication.

For example, many are blocked in China google services. If a resident of China works with a company from Europe, then there is a need to use such services as Google Disk.

Example 4. Hide visited sites from the Internet provider. There are cases when you need to hide a list of visited sites from the Internet provider. All traffic will be encrypted.

Thanks to the code encryption, your Internet provider does not know which sites you visited on the Internet. At the same time, your IP address on the Internet will belong to the VPN server country.

When connected to the VPN, a secure channel between your computer and a VPN server is created. All data in this channel is encrypted.

Thanks to the VPN, you will get freedom to communicate and protect your personal data.

In the logs of the Internet provider there will be a set of different characters. The picture below shows the analysis of the data obtained by a special program.

In the HTTP header is immediately visible to which site you are connected. This data record Internet providers.

The following picture shows the HTTP title when using VPN.. The data is encrypted and it is impossible to know which sites you visited.

How to connect to VPN

There are several ways to connect to the VPN network.

• PPTP - Outdated Protocol. Most of the modern OS excluded it from the list supported. Cons PPTP - Low connection stability. The connection can be broken and unprotected data can go online.
• L2TP (IPsec) Connection is characterized by greater reliability. Also built into the majority operating systems (Windows, Mac OS, Linux, IOS, Android, Windows Phone other). It has better reliability in contrast to PPTP connections.
• SSTP Connection was developed relatively recently. It is supported only in Windows, so it did not get much spread.
• IKEV2 is a modern IPSec protocol. This protocol has replaced the PPTP protocol and is supported by all popular OS.
• OpenVPN Connection is considered the most reliable. You can flexibly configure this technology and when the OpenVPN connection drops, blocks the shipment of unprotected Internet data.

There are 2 data transfer protocols for OpenVPN technology:

• UDP protocol - features speed (recommended use for VoIP telephony, Skype, online games)
• TCP protocol - characterized by the reliability of the transmitted data (requires confirmation of the package receipt). It works a little slower than UDP.

How to configure VPN.

The configuration of the VPN connection takes a few minutes and is characterized by the VPN connection method.

On our service we use PPTP and OpenVPN connections.

Safety work with a VPN program

We will always talk about an integrated approach to security. The user security consists not only from the VPN connection itself. It is important which program you use to connect to the VPN server.

Currently, services offer convenient VPN clients - these are programs that facilitate the configuration of the VPN connection. We offer a convenient VPN client. Thanks to such programs, the connection configuration of the VPN takes no more than 1 minute.

When we just started to engage in the provision of VPN services in 2006, all our users set up the official OpenVPN application. It has open source. Of course, the customer's official OpenVPN setting takes longer. But let's figure it out, the better to enjoy in terms of anonymity.

Anonymity VPN client

We see the danger to using similar programs. The fact is that the source code of such programs is the property of the company and in order to preserve the uniqueness of its program, no one publishes it.

Users cannot find out what data about you collects the program in the absence of an open source code.

VPN program can identify you as a specific user even when the logs are turned off on the server.

Any program may have a functionality on the entry of the sites you have visited, your real IP address. And since you ourselves enter your login to the program, then it is impossible to talk about any anonymity of the program.

If your activity needs a high level of anonymity, we recommend that you refuse such VPN programs and use the OpenVPN OpenVPN Release with open source.

First you will seem uncomfortable. But over time you get used to this if the safety and anonymity factor is in the first place.

We guarantee that Secure Kit does not save any data about you. But we need to warn you that such programs can be surrounded by you.

Another idea how to increase your safety has come from the point of view of the geographical location of the servers. On the Internet, it is called offshore VPN.

What is offshore VPN

Different countries have a different level of legislation. There are strong states with strong laws. And there are small countries, the level of development of which does not allow for information protection of data in their own country.

Initially, the concept of offshore was used to designate the country in which the tax policy is mitigated. Such countries have very low business taxes. World companies were interested in legitimate taxation from taxes in their country, and accounts on the Cayman Islands in the offshore bank became very popular.

Currently, in many countries of the world there are already prohibitions for the use of bank accounts in offshore countries.

Most offshore countries are small states located in remote corners of the planet. Servers in such countries find more difficult and cost more due to the lack of developed Internet infrastructure. VPN servers in such countries began to call offshore.

It turns out that the word offshore VPN does not mean anonymous VPN, but only speaks about the territorial accessory to the offshore state.

Should I use offshore VPN?

Offshore VPN presents additional advantages in terms of anonymity.

Do you think much more easier to write an official request:

• to the police department in Germany
• or in the police department to the islands in Antigua-Barbuda

Offshore VPN is an additional level of protection. Offshore server is well used as part of the Double VPN chain.

You do not need to use only 1 offshore VPN server and think that this is complete safety. It is necessary to approach its safety and anonymity on the Internet from different sides.

Use offshore VPN as the link of your anonymity.

And it's time to answer the most frequently asked question. Can an anonymous VPN service lead logs? And how to determine whether the service logs?

Anonymous VPN service and logs. How to be?

Anonymous VPN service should not lead logs. Otherwise, it can not be called anonymous.

We have compiled a list of questions, thanks to which you can accurately determine whether the service logs.

Now you have complete information about VPN connections. These knowledge is enough to make yourself anonymous on the Internet and make a secure transfer of personal data.

New VPN technology

Are there any new directions in the VPN field?

We have already talked about the advantages and disadvantages of serial cascading VPN servers (Double, Triple, Quad VPN).

To avoid minuses of Double VPN technology, you can make a parallel chain cascade. We called it Parallel VPN.

What is Parallel VPN

The essence of Parallel VPN is to send traffic to a parallel data channel.

The disadvantage of serial cascading technology (Double, Triple, Quad VPN) is that the channel decryption and encryption to the next channel occurs on each server. The data is sequentially encrypted.

There are no such problems in Parallel VPN technology, since all data pass double parallel encryption. That is, imagine the bow, which has several peel. In the same way, the data is held in the channel, which is twice encrypted.

Let's get acquainted with VPN a little, find out the main questions and use these three beaks on our blessing.

VPN What is it?

See how information goes between between my laptop and the smartphone that lies next to it, the so-called route trace. And there is always a weak link where data can intercept.

Why do you need a VPN?

To organize networks within networks and their protection. We understand that VPN is good. Why? Because your data will be more security. We are building Safe network over the Internet or other network. It's like a bronval for transporting money on the street from the bank to another bank. You can send money on a regular machine, and you can in the armored car. On any way the money in the armorship is preserved. Shaped VPN and there is a bronval for your information. A VPN server is an agency for the provision of armors. In short VPN is good.

To ensure data security:

Use a virtual private network (VPN connection)
Using the VPN connection, when connecting to a publicly accessible Wi-Fi network, you can effectively use data encryption technology passing through the network. It can interfere with cybercriminals tracking the network, intercept your data.

Still not convinced? Here, for example, the title of one of the tenders:

Provision of services for the provision of communication channels on VPN technology for the organization of data transmission between divisions of the Department of the Ministry of Internal Affairs of Russia in Kazan

The police take care of their safety, these are concerned and require the presence of such channels of the state-owned company and the corporation, and what are we worse? We are even better because we will not spend budget funds, but we will configure everything quickly, simple and free.

So, let's go. We protect accounts, passwords using VPN when using open wi-Fi networks. As a rule, this is the weakest link. Of course, the special services of the whole world, criminal groups can afford equipment that replaces and intercepts traffic not only Wi-Fi networks, but also satellite and mobile networks Communication. This is another level and beyond this post.
The best wayWhen you have your VPN server. If not, you have to hope for the honesty of those who provide you with these services. So, there are paid versions of VPN and free. Let's go on the second. Yes, the VPN server can be configured on the home computer, but also about it in a separate post.

How to configure VPN.

Consider Free VPN. for android On the example of Opera VPN - unlimited VPN.

Download free client VPN.. Settings are minimal and reduced to enable VPN, the country's choice, the default is nearby, the network test unit. There are still settings to maintain VPN in the on state.

After installing the application, the VPN item appears in the Android settings menu. This switch calls the Opera VPN main screen (if you have only one way to connect VPN).

To control the disconnection and enable VPN you can resolve the application icons in the Android settings.

Settings-\u003e Notifications and Status String -\u003e Application Notifications-\u003e Opera VPN

Be prepared for the fact that some applications in communication mode via VPN tunnel will be asked to confirm your status. Thus, VKontakte application with enabled VPN will ask your phone number, as it will consider that in your account, in which you usually enter Moscow, trying to enter an attacker from Germany or the Netherlands. Enter the number and continue to use.

Here is the easiest way to use VPN on your android device. You can still configure a virtual private network based on your router and connect to your home computer From anywhere in the world on a protected channel, freely exchanged by private data. But about it, more complex methodAs well as the settings for paid applications and services, I will tell in other posts.

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To date, private virtual networks denoted as VPN, which in decoding means, no one will not be surprised. However, not every user of the same "seven" knows how it all works. Let's see what is a VPN server on Windows 7, how to install it and configure using your own tools and third-party programs.

What is VPN?

Let's start with the Azov. Creating a VPN server cannot do without an understanding that he actually represents himself. Apparently, not every user faces such a problem and fully realizes what kind of thing it is.

A virtual server is exactly the tool that allows you to create independent private networks based on an Internet connection, as if several computer terminals, laptops or even mobile devices were combined with each other by cables. But only in this case we are talking about virtual cables.

What is the VPN server for?

The advantages of this technology seem to be back in terms of connecting and transmitting data, however, the virtual network is often protected much stronger than the usual Lokalka.

In addition, when using a VPN connection, the user receives data exchange between individual terminals, which are scattered throughout the world. Yes Yes! The VPN server connection technology is such that computers or mobile devices can be combined into the virtual network, regardless of their geographic location.

Well, for gamers, it is generally a find. Imagine that after creating vpn.-server can be easily passing some command "rod" by type Counter Strike. In a team with players, for example, from Brazil. But in order to make it possible, and the theoretical knowledge will be required now we will now understand what the creation and Windows 7 represents, in more detail.

It should pay attention to several mandatory conditions, without understanding which the whole process of creating a virtual server simply will simply make sense.

VPN server on Windows 7: What is worth paying attention to?

First of all, each user engaged in creating on the home terminal must clearly realize that there are some connection restrictions in Windows 7. The fact is that only one user can connect to the created server in one communication session. And get around this obstacle own means Systems are impossible.

In principle, as an option, you can use the installation of a special (but unofficial) patch, which will help to eliminate the problem. On the other hand, if approaching the issue of creating a normal operational VPN server from the point of view windows licensingIt is better to use the "seven" of the server version (Windows Server). Few people know, but it is for Windows 7 that such a version also has.

Creating a VPN server to Windows: Routher Settings

Now, after describing all the initial concepts and questions, you can start creating a server directly. As an example, consider the initial setting required by the ZyXEL Keenetic device. A VPN server in the case of using such devices is quite highly different with its settings (especially in the case of the NDMS pre-installed firmware).

Here the snag is that the main PPTE protocol in this case is presented in the modified form of MPTE, which makes it impossible to simultaneously access the server by several users. The firmware allows you to bypass this problem. After installing it, access is guaranteed at the level of a dozen simultaneously connected users.

After installing the program, the VPN server component should appear in the application center section, where it will be necessary to configure the Keenetic Internet Center, which will subsequently respond to access and pool of IP addresses provided at the moment to clients using the PPTE protocol.

What is the most interesting, while allowing the intersection of addresses with a 24-bit mask. That is, when specifying the range, for example, 192.168.0.10 - 192.168.0.20 The address of the VPN server with a single connection of the client machine for the HOME parameter may be 192.168.0.51.

But that's not all. The VPN server on the router (in our case ZyXEL) implies access exclusively through the Keenetic account. To activate such an access, you need to allow the user with access to VPN. This is done by clicking on "account" with the subsequent setting of the check mark in the corresponding field.

Another plus of such a connection is that one login and password can be used for multiple client records for which access to the Keenetic VPN server will be accessed. Pay attention to and one more feature of such a connection. It lies in the fact that the VPN-based ZyXEL-based server is capable of accessing not only internal local, but also to external networks. Thus, you can get remote access to any client machine connected by account Keenetic.

The first steps

Now the question is how to configure the VPN server on the router, leave aside and move directly to the "Operation" itself.

To begin with, you will need to use the network management center section and common accessLocated in the standard "control panel". In the top menu, select the "File" section (if it is not displayed, click the alt key), then click on the line of a new incoming connection.

After that, you need to use the addition of a new user who will be assigned the name VPNUser by default. Next, fill all the necessary fields ( full name You can leave empty because it does not affect the connection), and then enter the password and confirmation (there must be a complete match). If you need to add users again, we repeat the procedure described above.

Now in a new window you need to specify the type of access via the Internet, after which you can go to one of the most important steps, namely, to setting up the TCP / IP protocol, since the VPN server on Windows without such correctly specified parameters will not work.

Setting up IPv4 protocol

In principle, in most cases, this version of the protocol is used, since IPv6 is not supported by all providers. If the support is still there, the setting of versions 4 and 6 will not differ particularly different.

So, in the Protocol properties, you must first use the access permit item caller to the local network, after which you select an indication of the IP address explicitly and register the desired range. This is done in order to continue to connect several users at the same time. At the end of the procedure, just click the OK button. All - server created. But this is not limited to this. You still need to configure the VPN server on client terminals so that they get access.

Setting up client machines

Now on the computer terminal from which it is assumed to connect to a virtual server, in the "Control Panel" you need to use the settings of the network management center and shared access where the new connection is selected, after activating the "Master". Next, the type of connection to the workplace is selected, and then the use of an existing connections to VPN.

Now all important moment - address of the VPN server. In this case, you can use the address viewed on the server itself, or enter domain name. To do not particularly waste time setting, an immediate connection proposal can be skipped.

Now it remains to enter a login and password that were specified when creating a VPN server, and optionally specify the data saving for the subsequent input. This procedure ends. If the server is active, you can connect to a virtual network.

Parameters of firewalls

But even if everything is done correctly, some problems can occur sometimes. Often such a connection can be blocked, oddly enough it sounds, own windows toolsMore precisely, the built-in brandmaeer (firewall) relating to the security system.

To avoid problems, you need to find connection icons in the same network management center. For the client it is RAS, for server - VPN. It remains only when you click on the parameter on both terminals, specify the type of access in the form home network. That's all.

Sprinkle ports

With ports, it's more difficult. The problem relates mainly to ADSL modem, which simply cannot open the desired VPN ports. You need to configure these parameters manually.

Here we will have to turn to us as a rule, the instruction on the VPN connection is in the documentation for the device itself. It is worth noting that Windows systems use TCP with a value of 1723. If it is possible to disable the GRE lock, it is desirable to use it.

Error 807.

Naturally, you can now rebuild the parameters of the created VPN server, however, as it is considered to be a real scourge of absolutely all users who face the creation of connections of this type for the first time, an error occurs at number 807.

To get rid of it, you should first make sure of filling out the IP address fields on the client machine and port parameters directly on the server.

In addition, the service remote access Be sure to be active. You can check its status using the Services.msc command entered in the "Run" menu (Win + R), followed by the selection of the routing and remote access section. The operating status and automatic access type should be indicated here.

As a last resort, if there are problems, you can try to connect even to yourself. For this, a new client connection is simply created, where 127.0.0.1 is specified as IP.

If this does not help, you can contact some of the Internet resources like portscan.ru, which are able to track an active external connection (the value of 1723 is entered in the connection field, after which the check start is used). But, if everything is done correctly, positive result It will not make himself wait. Otherwise, you will have to check the router and virtual server settings.

Third-party programs

Of course, most users who are far from such settings, all this may seem, so to speak, too homely. It is much easier to configure the VPN server using special automated programs.

Consider one of the most popular. It is called SecurityKiss. Set it easier simple. Next, you should start the application, after which the user will be prompted to produce minimal initial settings and enter some of the necessary data. You will need to specify your own IP. You can find it through the ipconfig command, and with several terminals on the network - ipconfig / all.

The basic recommendation for this SecurityKiss client is to choose from the proposed list of servers that is the one that is geographically located closest to the terminal from which it is expected to be connected. Note, in this case, it is not about creating a server - the connection can be accomplished by the available servers. And it eliminates the user from the work of all those procedures that were described above.

Connection is made to the already created server, and by and large, absolutely no difference, at what point in the world it is. If there is a good high-speed communication, even the barbatch does not play a significant role.

What is the result?

In principle, on this issue of creating a VPN server can be finished. However, many users of computer systems should pay attention to some minor inconsistencies. The fact is that, depending on set version The same "seven", the names of some fields or rows to be completed may differ in the names. In addition, some "cranked" modifications of Windows 7 may have sufficiently limited possibilities, because to save disk space or increasing productivity, those or other functions were disabled. It's as time and concerns the controls network connections At the global level. Do not save even the availability of access rights at the level of the Super Minister. Moreover - in the local parameters group Policy or in system Registrywhich, by and large, duplicates them, will not really configure anything.

Returning to the question of creating a VPN server, it remains to add that this technology, oddly enough, in most cases remains unclaimed, except for the gamers who want to play with the opponent who are very far from him. System administratorsPerhaps this is also not useful, since the connection itself, although it uses a 128-bit encryption system, is still not insured against data loss or virtual network. So create a VPN server or not - this is a personal case.

However, for systems Windows Settings quite complex, especially from the point of view of an unprepared user. For the simplest connection, it is better to use VPN clients that can be downloaded for free and configure in automatic mode. Yes, and problems with them arises much less than with changing the configuration of the system, which is fraught with a global "flattery" when making incorrect actions.

Nevertheless, information on this issue should be perceived by each user, because knowledge of how to connect to such networks can ultimately protect their terminals from the penetration of threats. Sometimes with an active Internet connection, the user may not even suspect that its machine is connected to the network, and it is not able to determine the level of risk and security.