Virtual Private Network (VPN)
Virtual private networks are connected to a geographically different local network by means of the public network Internet, which is like local access. Because VPNs encrypt data as they transmit data, the security is high even though the data is transmitted over a public network. In the past few years with the VPN function of the hardware equipment is very happy to sell, some
Sometimes, because of the work or the software that wants to use the Cisco VPN client, there are often a variety of reporting errors in the WIN8 system, one of which is that the Cisco VPN Client reports a 442 error, and every time this report error is annoying, So how to deal with this report error! Now let's take a look!
The following is a specific error message:
Error Code 442 While connect to the
Many people may not have a special understanding of the soft route function, so I studied the questions about how to implement VPN dual-line access in the soft route function. I would like to share it with you here and hope it will be useful to you. As we all know, two-line routing can be implemented using hardware routers and software routers (ROS in Linux and Policy Routing Technology in Windows), while hardware routers themselves are dedicated, so
A vps host (or VPS) is a virtual server that uses virtual server software to create multiple isolated small servers on a physical server, each VPS has its own operating system, independent space, independent memory, and independent CPU resources. It can independently execute programs and system configurations, its operation and management, and its independent servers.
Virtual Private Server (VPS) is used to create multiple isolated small servers on a physical Server, each VPS has its own operati
Virtual Private Network (VPN) refers to the technology for establishing a Private Network on a public Network. It is called virtual network, mainly because the connection between any two nodes of the VPN network does not have the physical link from the end to the end required by the traditional private network, but is built on the network platform provided by the public network service provider.In the past
I. Main VPN technologies in Linux
1. IPSecInternet Protocol Security)
IPSec is a perfect security standard for IETFInternet Engineer Task Force. It combines several security technologies to form a complete system, which has received the attention and support of many vendors. Data Encryption, authentication, and integrity check ensure the reliability, privacy, and confidentiality of data transmission.
Advantage: it defines a set of standard protocols f
With the development of China's routing industry, it also promotes the constant update and upgrade of routing technology. Here we mainly introduce the performance and characteristics of Cisco VPN Router, with the development of the Internet, online Communication and transactions have become an important way for people to work. At the same time, network security also mentions the agenda of various enterprises.
In the face of the severe challenges of da
An example of Cisco Easy VPN comprehensive configuration is shown in this example. The topology is 15-15. In this example, the Cisco 831 router is used as the remote device of Easy VPN and the Cisco 1751 router is used as the device of Easy VPN Server. In this example, the WAN interface IP addresses of the Cisco 1751 router and the Cisco 831 router are both stati
With the rise of the wireless network age, vrouters must keep pace with the times and adapt to the application of new technologies. What features can a multi-WAN router make better use? The multi-Wan VPN Broadband Access Router is generated when the application needs it. In fact, the multi-Wan Broadband Access Router originated from advanced countries in Europe and America. Its main application is to help enterprises use bandwidth elastically, especia
System environment:Windows Server 2008 R2 Enterprise 6.1.7600.16385RRAS 5.2.0000NPS 6.1.7600.16385Test purpose: Set up VPN server and access internal network via VPNOperation Steps:
1. Add the Role Network policy and Access service in Server Manager and install the following role services:
Next until the installation is complete. 2. Open RRAS in the beginning of-> management tools-> Routing and Remote Access, as follows: Click on the server status
I. Preparation 1. first, buy a foreign server. if you only want to experience the download force process, we recommend a $3.99 centos6 server at the URL budgetvm.com. 2. get the corresponding configuration, connect to the server through securecrt, then you can start to install B 2. focus on start 1. shadowsocks server installation tutorial (the link cannot be clicked) https: // shadow
I. preparation
1. First, you must buy a foreign server. if you o
You can build a virtual private network in countless ways. The minimal VPN implementation scheme consists of the Internet-connected ras pptp server, the Internet-connected client, and the PPTP connection between the above server and the client. As long as the ISP service or Internet connection is available, the client can establish a connection with your server from any corner of the world. However, most VPNs are not only composed of interconnected se
VPN
Virtual Private Network (VPN) refers to the technology for establishing a private network on a public network. It is called virtual network, mainly because the connection between any two nodes of the VPN network does not have the end-to-end physical link required by the traditional private network, but is built on the network platform provided by the public n
A lot of friends because of working relationship often mobile office, so the transmission of information, and the company information in a timely manner or tired to open a company or home computer to see movies and so on application appears very headache. This application means secure network communication over the Internet, sharing resources. and want to achieve this kind of demand, actually already had the best way to--vpn.
A
Recently, I have seen many vpn things and found that many manufacturers are paying attention to the implementation of Dynamic IP address-based vpn for small and medium-sized enterprises. Of course, cisco is no exception. In its ios12.3 (4) T, it began to support dynamic Address Resolution of vpnpeer. Now, in CiscoIOS12.3 (4) T, VPNpee is created based on the DNS name.
Recently, I have seen many
The VPN is a virtual private network. the private network can be understood as an enterprise Intranet or a LAN. why is the word "virtual" added? It refers to the establishment of a VPN through the public network, that is, through the public network to establish one or more private network links, so as to connect offices or individuals in different regions
The VPN
I. Proposal of requirements
With the increasing scale of enterprises, setting up branches and offices throughout the province and even throughout the country, enterprise informatization is a powerful tool for enterprises to compete in the market, ERP and OA automation systems are essential to achieve smooth flow of information such as people, finance, and things in enterprises. In the past, the use of leased line networking in China Telecom is very expensive and will bring a heavy burden to ente
Inter-as vpn analysis RFC2547bisOption 10A: Back to Back VRFOption 10B: MP-eBGP between ASBRsOption 10C: multihop MP-eBGP between Route-ReflectorsOption AB: an enhanced mix from option A and B and developed by CiscoOption 10A: Back to Back VRF when the number of VPN connections and the number of VPN routes are small, you can use the cross-origin
Original link: http://peopleyun.com /? P = 488
To access multiple App Engine videos on a well-known video website, I set up a VPN based on PPTP on linode. This article will first introduce some information about PPTP VPN, next, we will introduce the creation steps.
PPTP VPN
PPTP, short for "Point-to-Point Tunneling Protocol (point-to-point tunnel protocol)"
Linux learning --- build a VPN Server and ubuntuvpn under Ubuntu
Build a VPN Server in Ubuntu
What is VPN? It is a virtual private network. The function is to establish a private network on a public network for encrypted communication.
Applicable scenarios:
1. Your company network is in a LAN and cannot be accessed from outside. One day you are out on vacation an
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