A Survey On Virtual Private Network Security And Its Technology

VPN is the abbreviation of Virtual Private Network. A VPN can extend a private network (like local network) across a public network, such as the Internet. It enables users to send and receive data across shared or public networks as if their computing devices were directly connected to the private network, and thus benefit from the functionality, security and management policies of the private network [7].

Douligeris, C., Serpanos, D. (2007). VPN Benefits. Network Security: Current Status and Future Directions. John Wiley and Sons

A good VPN can provide many functions such as access anywhere worldwide without dedicated lines, data security, remote access to business resources and better employee production. For these VPNs to perform these functions properly they are required to provide reliability by ensuring that the network does not break down before reaching its max capacity, scalability to ensure the ability to expand as business grows, and of

This type of network is designed to provides a secure, encrypted tunnel in which to transmit the data between the remote user and the company network” (Beal). VPN uses encryption to provide data confidentiality. Virtual Private Networks makes use of encryption and special protocols to provide extra security.

A VPN is a secure protected network called a tunnel for communication purposes over long distances using the Internet as its means of transport. Due to the nature of the communication or transmissions that are being utilized by say a larger corporation, secure and reliable communication is a must. In the beginning these VPN connections were established using one or more dial up modems for users to access the information. Authentication was established by requiring the correct user name and password. As time went on as always things changed, new technology and advances in communication as well as equipment allowed the VPN to evolve and expand. To ensure security, the virtual tunnel is encrypted. VPNs use several protocols in order to encrypt

“Virtual private Network” transfer info by encapsulating traffic in IP packs and sending the packets over the internet. Companies that use a VPN from an ISP have outsourced their networks

The Wide Area Network (WAN) will interconnect the workplaces by means of Virtual Private Network (VPN) and leased line connections. The VPN connections will be utilized by actualizing Security Socket Layer (SSL) innovations. Utilizing SSL innovations, ABC Company will have the capacity to give the best adaptability to the remote client's in the U.S. Furthermore, there will be no loss of system performance. The VPN will utilize a public network and build up a secure tunnel connection with the inner system. The activity that goes through the passage is encrypted to ensure all information

In most cases, Secure Sockets Layer Virtual Private Networks (SSL VPNs) will provide a convenient, secure way of obtaining remote access to a private network, and safely transmitting and working with data, but users need to be aware that there are some security vulnerabilities that can plague an SSL VPN in certain cases.

There are quite a number of VPN services available and each promises to deliver security and anonymity. Nevertheless, very few actually do that and most end up as a liability and not a security tool. Finding the best VPN service requires in-depth analysis of its features and performance, which is what this ExpressVPN review aims to do.

For an organization looking to supply a protected network communications for its client base, a VPN offers two major compensations over other technologies: price savings, and system scalability. To the clients accessing these networks, VPNs also carry a few payback of ease of use.

Security and privacy is and always will be an important subject in regards to computing, weather its successfully securing clients data or protecting a personal network from would be hackers, the concepts of security and privacy will always be at the forefront of any individual’s mind. Due to the constant need for more security as well as privacy the concept of a VPN or Virtual Privet Network was introduced and implemented. This report will first go into detail on what a VPN actually is, how VPNS work, what their capabilities are and how they can be implemented into an organisations security policy. The report will later detail what IPsec is and IPsec tunnels

By utilizing VPN innovation with individual, clients must comprehend that their machines are a truly accessed by the system, and in that position they are liable to the same guidelines and regulations

The main objective of this project is to enhance the security of a network using various modern day technologies.

VPN is a type of secured connection which stands for Virtual Private Network. VPN is a method used to securely connect to the internet through another secured and encrypted channel sometimes called a tunnel while making use of a public or private network as the primary connection. VPN is like creating a virtual personal network within a network just to ensure that you have added security and invisibility like sitting in a bullet proof car on a ship. VPN tunneling involves the use strong layers and scales while accessing the internet by putting every data being transferred in an encrypted packet within another packet just to ensure that its contents are

xinetd 2.6.4. xinetd Configuration Files 2.6.5. Additional Resources 2.7. Virtual Private Networks (VPNs) 2.7.1. How Does a VPN Work? 2.7.2. Openswan 2.8. Firewalls 2.8.1. Netfilter and IPT ables 2.8.2. Basic Firewall Configuration 2.8.3. Using IPT ables 2.8.4. Common IPT ables Filtering 2.8.5. FORWARD and NAT Rules 2.8.6. Malicious Software and Spoofed IP Addresses 2.8.7. IPT ables and Connection T racking 2.8.8. IPv6 2.8.9. IPT ables 3. Encryption 3.1. Data at Rest 3.1.1. Full Disk Encryption 3.1.2. File Based Encryption 3.2. Data in Motion 3.2.1. Virtual Private Networks 3.2.2. Secure Shell 3.2.3. OpenSSL Intel AES-NI Engine 3.2.4. LUKS Disk Encryption 3.2.5. Using GNU Privacy Guard (GnuPG) 4. General Principles of Information Security 4.1. T ips, Guides, and T ools 5. Secure Installation 5.1. Disk Partitions 5.2. Utilize LUKS Partition Encryption 6. Software Maintenance 6.1. Install Minimal Software 6.2. Plan and Configure Security Updates 6.3. Adjusting Automatic Updates 6.4. Install Signed Packages from Well Known Repositories 7. Federal Standards and Regulations 7.1. Introduction 7.2. Federal Information Processing Standard (FIPS) 7.2.1. Enabling FIPS Mode 7.3. National Industrial Security Program Operating Manual (NISPOM) 7.4. Payment Card Industry Data Security Standard (PCI DSS) 7.5. Security T echnical Implementation Guide 8. References