vpn dangers

How to Improve VPN security As we all know, VPN (Virtual Private Network) uses tunnels to transmit data between two networks on the wide area network. Because its data is transmitted on the Wide Area Network, although the tunnel technology can provide certain security protection. For example, when data is transmitted in a VPN tunnel, data packets are encrypted

What system requirements are required for per app vpn in iOS devices? Most of the information about Apple's website and MDM manufacturers, said that the iOS 7.x device supports per app vpn, but does not specify the system environment requirements. 1. iOS 7.x device, of course 2. iOS 7.x devices must be registered and managed on the MDM server (MDM servers, such as SAP Afaria (apple aggregator may also be a

What is VPNVPN (Virtual private network) is a kind of business that uses public network resources to build a private network for customers, it transmits private data on the public Internet and achieves the security level of private network through packet and encrypted transmission of network data.It has two characteristics. First, virtual. It does not need to set up a special network for the physical connection, the use of public network resources, as long as there is connectivity to the public

I have been busy a few days ago for my livelihood. Unfortunately, I got sick for a few days, so I didn't keep the documents in time. I would like to apologize to everyone, especially those who are eager to wait for me to write a book. Finally, I started to talk about the IPSec VPN technology. I have explained the principles of ssl vpn and mpls vpn. I still wa

A Virtual Private Network (VPN) allows you to connect to components in a network through another network, such as the Internet. You can use a Windows 2000 Server-based computer as a remote access server, so that other users can connect to it using a VPN and then access shared files on your local drive or network. A virtual private network is implemented by "Creating a tunnel" on the Internet or another publ

This article describes how to build a PPTP VPN service on a Xen VPS that installs the CentOS operating system. Includes the installation, configuration, and corresponding iptables rules for PPTP. This article temporarily does not involve the PPTP traffic control part, waits for the time to learn to understand the Freeradius, then writes the sequel. July 20, 2011 Update: In the security recommendations section, there is an increase in the use of differ

SSL VPN principle If you separate the two concepts of SSL and VPN, you should know what they mean, but as a new technology, how they are combined may not be well understood. From the academic and commercial point of view, because they represent a different meaning, so often be misinterpreted. SSL (Secure Sockets Layer) protocol is a common protocol that guarantees the security of sending information on th

How to Use n2n to configure a practical and free VPN solution on Linux A Traditional VPN, such as OpenVPN or PPTP, is composed of a VPN Server and one or more clients connected to this server. When any two VPN clients communicate with each other, the VPN Server needs to rel

Shandong Securities Co., Ltd. is a company operating the securities business in Shandong Province, headquartered in Jinan, in the province of the city has more than 10 sales department, and in Shanghai and Beijing has two sales department. The links between the day-to-day departments are very close, especially in relation to the headquarters of the local city divisions. In view of the characteristics of the securities industry, in order to integrate the network of local cities and towns, and red

As we all know, due to the shortage of public IP addresses, we usually use reserved IP addresses as internal IP addresses when establishing a LAN. These reserved IP addresses cannot be routed over the Internet, therefore, normally, we cannot directly access hosts in the LAN through the Internet. To achieve this goal, we need to use VPN tunneling technology.-Generally, the VPN gateway adopts a dual-network c

VPN technology introduction VPN, Virtual Private Network (Virtual Private Network), is defined as a temporary, secure connection through a public Network (usually the Internet, is a secure and stable tunnel through the public network. Virtual Private Network is an extension of the enterprise intranet. It can help remote users, company branches, business partners and suppliers to establish trusted and secure

Free and available IPv4 addresses will soon be "exhausted". Over the years, this has prompted most general operating systems to begin to add IPv6 support. However, many applications (such as VPN clients and server software) are not ready for IPv6. This will lead to the situation where the dual-protocol stack host deployment does not support IPv6 VPN software, thus opening the door for security vulnerabiliti

How to configure point-to-point VPN and linuxvpn on Linux A Traditional VPN (such as OpenVPN and PPTP) is composed of a VPN Server and one or more clients connected to this server. When any two VPN clients communicate with each other, the VPN Server needs to relay the

VPN on OpenBSD configuration note VPN (vitual Private Network) has been widely used in recent years.I will not go into details if I already have many special statements. This document only configures the OpenBSD system on a PC.The VPN is a brief description. It also states that all operations are based on your own configuration experience and are implemented

There are many VPN products on the Cisco ASA Web VPN configuration market and their technologies are different. For example, in the traditional IPSec VPN, SSL allows the company to achieve more remote users to access the VPN in different locations, this service enables more network resources to be accessed and has low

VPN (Virtual private network) means to establish a private data transmission channel through the public IP network, connect the remote branch office, the mobile office personnel and so on, and reduce the cost of the enterprise remote access. VPN has both public and private network features, the public network of reliable performance, rich functions and special network flexible, efficient combination.

Most enterprises need to protect internet communication. For many enterprises, the simplest way to protect communication is to use virtual private network (VPN) to create an encrypted channel between systems to communicate. The most common use cases of VPN include connecting remote staff to the central data center, allowing them to securely access the internal resources required for their work, and creating

With the acceleration of global market integration and the further development of information technology, all walks of life and various types of enterprises are using information technology more and more to improve the management level of enterprises and to expand trans-regional business. IP VPN has been favored by the use of public network resources to establish a safe, reliable, economical, efficient, convenient and high-speed transmission of the en

Requirements for VPNBecause the VPN is for the Enterprise User Service, relates to the enterprise normal operation, therefore the following from the user angle analysis to the VPN several requirements.VPN availability: That is, the established network can meet the requirements of the user's business. After the enterprise user's own business nature, the flow analysis, constructs one to adopt what technology

VPN-Virtual Private Network is designed to meet the security, reliability, and cost requirements of enterprises and specific users for information exchange, transmission, and exchange in the continuous development of Internet technologies and applications, on the basis of the public internet, the virtual private network solution is built through the channels and encryption technology. An important core task in VPN