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.
Currently, VPN security technology is widely used. Here we mainly analyze the comprehensive application of VPN security technology on sites and clients. It is difficult to achieve network security, and the cost for achieving network security is very high. Due to the rapid development of commercial applications and business practices in the enterprise network infrastructure, every enterprise tries to underst
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
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
1. Build a VPN
First, go to the configuration panel of VPS.
The system is CentOS 5 32bit. Reload the system to complete the entire process.
Use Xshell 4 to connect to the remote host and change the initial password.
Directly use the PPTPD one-click installation package.
1wget http://www.diahosting.com/dload/pptpd.sh sh pptpd.shWait a few minutes. The following image is displayed after the installation is complete.The bottom line is the
Article title: Connect to France using VPN under Ubuntu. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
In Ubuntu, we can easily use the VPN service provided by www.linkideo.com to connect to France using UbuntuVPN.
The following describes the methods:
1. register a
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
VPN access network technology is still developing very rapidly. At the same time, it can be seen that the market demand is growing and users are also increasing. I believe that with the technological innovation, its development prospects will be even better, it will lead the rapid development of the communication industry. In recent years, Virtual Private Network VPN established on public networks has devel
1. Why does Cisco push the second-tier tunneling protocol, rather than the third-tier tunneling protocol?
Both options are available from Cisco. Cisco did not highlight that one. The second-tier tunneling protocol is primarily used to access VPN schemes, while the third-tier tunneling protocol provides VPN support for intranets and extranets. The third-tier tunneling protocol can also be used for some
At present, there are usually a certain number of enterprises, basically in other regions there are some branches, factories, offices and other institutions, how to efficiently, securely, and cheaply connect the networks of these branches to the Headquarters network has become an obstacle for enterprise informatization. This article introduces a Simple and Easy VPN connection technology to help enterprises solve this problem.
I. Case studies
A large e
VPN (Virtual private network) is an extension of a private network that sends data between a local computer and a remote computer by sharing an Internet or public network connection to simulate point-to-point private connections.
It has good confidentiality and immunity from interference, allowing both sides to be free and secure point-to-point connection.
There are two common
1, open the Control Panel "View Network connection task";
2, click "Set up a new connection or network";
3, "Select a connection option" to select "Connect to the workspace";
4. If there are other connections already in place, select "No, create a new connection" in this step, and if not, this step will be skipped;
5, select "Use my Internet connection (VPN)", click "Next";
6, this step
ADSL is called asymmetric Digital subscriber line. ADSL is called asymmetric because its two duplex channels are used to transmit data to the user, only a small portion of the bandwidth used to send back to the user's information. ADSL on a pair of copper wire support upload rate 640kbps~1mbps, 1mbps~8mbps rate, effective transmission distance within the 3km~5km range.
The application of ADSL
ADSL LAN users with 4 fixed static IP address, the application of ADSL LAN form network units can be s
, how to achieve such high-performance forwarding, the key is that it is still a layer-2 device.4. VPN transparency
This is a shame. When I implemented my VPN last year, I told the customer that our product was a two-layer device, so the customer was relieved because it would save a lot of maintenance time, because the L2 device does not need to configure network parameters, I think so, but he is wrong and
This article provides a comprehensive explanation of LAN networking. During VPN networking for small and medium-sized enterprises, we will encounter many setup problems. Here we will introduce you to a configuration scheme for LAN formation, A diagram is provided to describe the Entire networking process in detail.
After setting up the Internet network on the Router, you can establish a VPN dial-up connecti
For remote Wan users, the virtual private network (VPN) should be a secure connection, but many enterprises question the security of VPN due to many obvious vulnerabilities. Rainer Enders is the CTO of NCP engineering responsible for VPN security in the Americas. In this article, we will learn how a VPN security vulner
Author: Arade
Along with the sixth great speed-up of China's railway, We are ushered in the advent of the power D era. The high-speed trains provide a fast way for our daily trips and greatly shorten the long journey time.
Similarly, VPN is an important "Railway" for commercial users to establish network connections ". One IPSec VPN is deployed in various regions, and users are connected in different region
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