Filed under: VPN
Read a basic tutorial on how to set up a VPN, or Virtual Private Network on Windows 7 from ghacks.net. You can use this to set up your own VPN server. This assumes you are using a router to connect to the Internet, and you have permissions to add port forwarding to the settings. You’ll also need access to a second computer to test if your VPN is working correctly.
Filed under: VPN
VPN stands for Virtual Private Network and is a secure way of being able to connect to a network, whether it is an internal business network or the internet. There are many reasons for using a VPN and many situations where they can be beneficial.
A VPN works as an extra layer of security when you are surfing the web. It hides your IP address so it can’t be tracked, allowing you to surf the web in private. People who may want to track your online movements for malicious reasons will not be able to do so. It is useful if you don’t want your identity tracked.
Computer security is so important. For one, it prevents people from being able to hack into your computer to install a virus or find sensitive information stored on your computer. The number of people carrying out financial transaction online has increase significantly over recent years. People are entering their bank details online more than even. Whether it is for purchasing something online or banking online, security needs to be maintained at all times. A VPN helps in keeping you secure.
Wireless networks are much more widely used than they ever have been in the past. When someone is on a wireless network there is a stronger possibility of someone intercepting what they are doing. VPN’s have become invaluable as wireless networks have become more popular. Wireless hotspots can be particularly insecure. When you are accessing the internet from a free wireless hotspot, for example in a cafe, an airport or a hotel, then it is easier for others to compromise your security. A VPN can protect against this and prevent others from accessing your personal data or from working out what you are doing.
When using a UK VPN anything that travels across a network is kept secure through encryption. When you send data using a VPN the following will happen:
• The data is encrypted (scrambled) so a human cannot understand it.
• The data is sent in a data packet with a Header Component (title of the data packet) and Payload (the encrypted data).
• It arrives at its destination.
• It is decrypted into its original form so the recipient can make sense of it.
This means the information you send, whether it is bank details, an email or just a word document, is sent securely.
Firewalls and anti-virus software can protect your computer itself. When online, though, it is not just your own computer you are using. Firewalls and anti-virus software do not protect data that is travelling from one computer to another. So when you submit your credit card details to an internet shopping site or send sensitive information in an email, it is not protected. This is where a VPN comes in. It will ensure that this data is encrypted before it is sent so that it can’t be intercepted and used by someone it is not intended for.
There are a number of reasons why a VPN can be important in ensuring you safety. They are becoming essential in today’s internet driven world.
Andrew Marshall (c)
Posted on July 18th, 2011 by admin
Filed under: VPN
VPN (virtual private network) is a technology that allows a secure network between two computers. Examples of this include the internet and internal networks within a business where users are able to log in remotely over the internet. User encryption and secure protocols are used so data transmissions are not interpreted and can travel safely over a network or between networks.
Below is a glossary of some important terms related to VPN.
Authentication is the process that determines whether attempted access to a network should be given or not. Once it is established whether or not a user should be allowed access, it will either be authorised or denied.
This is the authority that issues and manages the security credential within a network. It is used to set up the security using rules as to how, and by whom, access can be authorised, and how data packets can travel. This involves encryption and decryption.
A data packet is a group of data that travels between two networks or one part of a network and another. When something is sent from one network to another it is called a data packet.
DNS stands for Domain Name System. It is the protocol for mapping host names, domain names and aliases to IP addresses.
DSL stands for Digital Subscriber Line and is the method of bringing high-bandwidth information over a phone line.
Data is scrambled so that it cannot be interpreted when travelling across networks. This is called encryption and is vital for data being able to travel securely. It means that the data packets are ineligible to humans. The opposite of encryption is decryption, which is the method of data being de-scrambled back into its original form.
Standing for File Transfer Protocol, this is the name given to the way that files exchange between computers. It is the process of uploading files so they can be viewed over a network, whether the internet or another type of network.
As in the real world, a gateway means an entrance to somewhere, in this case a network from another network. An example of a gateway in the virtual world is where date travels from the internet to another type of network.
This stands for Internet Protocol. It is the protocol by which data is sent from one computer to another.
MPLS stands for Multiprotocol Label Switching and is the standard for speeding up the flow of traffic on a network. MPLS gives each data packet a label which means it can be quickly identified at each stage of data transfer.
This is the name given to a set of rules for communicating data across networks. Rules that are set for a VPN are called protocol. In some ways the term protocol is another word for rules, where an action will be set in motion upon a set of conditions.
In the real world a tunnel is a passageway, and in the virtual world it is similar but instead of somewhere for cars or people to travel it is where data travels. With VPN, a tunnel is a passageway through a network where data packets travel. It is secure meaning traffic can move safely where is might not be possible without the tunnel.
A VPN Client is the name given to a VPN provider’s software. It is simply the software a user uses to access the virtual private network.
Andrew Marshall (c)
Posted on July 18th, 2011 by admin
Filed under: VPN
VPN stands for Virtual Private Network. The easiest way of explaining the secure VPN is by using the example of how it can work for a business, although many of the same principles can be applied to networks within other organisations.
Businesses often use VPN to connect their employees when they are not working in the same office, so can’t be connected via a wired network. This could be if they are working across a number of offices or if they need to access the company’s network from their personal computer or a laptop when they are on the move. With IT playing such an important role in business today this can be crucial to the running of some businesses. With many not always working in the same location it is no good if people can’t access anything from the network when they are not in the office.
A network must be secure otherwise it can be compromised. For businesses this could include competitors gaining access or confidential information about customers being illegally accessed. A virtual private network helps to make a network secure while allowing access to employees wherever they are.
A VPN client is the software that users can use to connect to the virtual private network and each user installs it onto their own computer. They can then log onto the network via the VPN client, usually allowing them access to anything they would have access to if connecting to the server from the office.
With a virtual private network, data is sent across a wireless network, meaning potential for it being intercepted. It is therefore important this data is not compromised. VPN makes the data transfer secure by using encryption. Data is transferred from the VPN server to an individual’s VPN client in data packets.
A data packet is effectively a group of data and contains a header component and a payload. A header component is essentially the title given to this data packet, while the payload is the actual data. The header and payload is encrypted so anyone who does manage to intercept it will be unable to decipher what it actually means. When it is received by the VPN client it will then be decrypted into its original form, making it understandable for the recipient.
The advantage of UK VPN is that employees are able to access data from a company’s network securely without anyone else being able to intercept and make use of this data. It means that any employees who have access to a computer and the internet will be able to access the company’s network, something that can massively improve efficiency in some businesses. Without a VPN there would be the possibility of security being compromised.
It is, of course, not just businesses who can make use of VPN providers for a secure network. Organisations of all types, from governments to schools, can use it in similar ways.
Andrew Marshall (c)
Posted on July 18th, 2011 by admin
Filed under: VPN
There are a number of ways that the internet and advancements in internet technology has helped businesses. These include ways that make it easier for businesses whose employees are not always in the office or are in multiple offices. Some of these are outlined below.
VPN stands for Virtual Private Network, and allows people all over the world to work on the same network if necessary, thus helping businesses who operate globally. With VPN people working at different sites can log onto the same network. So, if a company has an office in London, New York and Beijing, they can all be connected and employees can all work off the same network. This means that businesses can have a much more joined up approach all being able to access the same files and information where necessary.
There has been a massive increase in the popularity of laptops in recent years. In business this simply means that employees can have their own laptops that they can take with them wherever they are. With a desktop computer it can only be used when in the office, something that is not a problem with a laptop. So, if someone is on the train for example, they will be able to work. This means that having to travel between meetings doesn’t mean lost work time. For businesses where it is necessary, employees can work in more than one office at different times. This is again something that is particularly useful for international companies. Those who work across different countries can work on planes and from their hotel room – in fact, pretty much anywhere in the world using the same laptop. This means a lot less wasted time. It can also be used in meetings and means people can work from home where necessary.
If people are in and out of the office it is not always necessary to have a specific desk for each employee. If each member of staff has a laptop it means there can be several desks which they can use when necessary. So one day a desk can be used by one employee and another day it can be used by another. So when such an employee is in the office they will just work at one of the free available desks. This saves space and therefore office rent and other savings. It is, though, only workable if there is never a time when everyone is in the office at the same time.
There is also the option of employees sharing computers. A VPN Provider’s server will allow each employee to have a specific login and password, which they can use to log into any available computer. This means that each employee does not need an allocated desk and computer. In some cases it is not ideal that all employees can access everyone else’s files and the same information as each other. However, this does not have to be the case. Networks can be set up so each user can also access what is relevant to them. This will not work, though, if the number of staff in the office on a particular day outweighs the number of computers.
Andrew Marshall (c)
Posted on July 15th, 2011 by admin
Posted on September 9th, 2011 by admin
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