51cto salon stage 15th: From configuration to design -- two-hour understanding of VPN
Virtual Private Network (VPN) refers to the technology for establishing a private network on a public network. This technology has long created a relatively secure and stable network access environment for various enterprises and institutions. However, VPN varies depending
Enterprise VPN Network application Enterprise Information systems need to connect branches across the network, and need to easily keep in touch with mobile employees, preferably with other partners, suppliers, distributors, etc. to establish a close and efficient contact. The traditional networking approach is: Dedicated WAN, dial-up networking, and direct use of the Internet to build the company's Internet or extranet. The following is an analysis
In enterprise applications, VPN should be the most used one. In particular, the company has a division of the case, visible VPN in the enterprise application is how extensive. Of course, there are many ways to implement VPN functionality, the company can buy VPN hardware devices, or you can use a dedicated Cisco router
From getting started to being proficient in hacker linux, Ma Hao handled the VPN server agenda in three minutes :. VPN introduction. how VPN works. VPN data transmission protocol. VPN server construction case: the distance between departments of a company X is relatively lon
VPN technology-P, PE, CE what is P, PE, cempls vpn there are three types of routers, CE router, PE router and P router. The CE router is a client router that provides you with a connection to the PE router. The PE router is the operator's edge router, that is, the Label Edge Router (LER) in the MPLS network ), it processes the VPN data from the CE router or the l
You are sitting on a train and trying to work as you walk through tunnels, forests, and uneven terrain. You are sitting on the ground and using a bad network in the cafe to connect. At the airport, the only available seat is at the edge of the internet signal.
In the above cases, you will have the same experience: the previous minute you are still working online in the office, and your connection will be interrupted in the next minute. And it always seems to happen at the worst time, such as th
Srchttp: rashost. comblogcentos5-pptpd-vpn a major purpose of the united states VPS is as an encrypted VPN Server, in the domestic connection to these VPN servers can access the Internet without restrictions. Common VPN servers are generally divided into two types. One is SSLVPN, which indicates that the software has o
VPN (Virtual Private Network) is no longer a simple encrypted access tunnel, it integrates multiple functions such as access control, transmission management, encryption, route selection, and availability management, and plays an important role in the global information security system. Also on the network, the advantages and disadvantages of various VPN protocols are benevolent, wise, and wise. For the pur
System environment: CentOS 5.4 FinalNetwork card: eth0:98.126.x.x
First check the system of the MPPE, basically CentOS itself have, see OK can continue to proceed, no words to hit a patch, online everywhere.Modprobe ppp-compress-18 Echo OK
The CentOS5.4 system itself is installed with a PPP version, which can be used in this version or reinstalled, where I uninstall and reinstall myself.Rpm-q PPPRpm-e Rp-pppoeRPM-E PPPRm-rf/etc/ppp
The required software is as follows:wget http://poptop.sourc
Implementation of VPN on a Cisco router: 1. software requirements: IOS with performaniseplusistmc56 is required. Currently, stable versions are 12.07T2. Hardware requirements: 8 mbflashand40mbram in DownloadIOS, the software and hardware requirements of the downloaded IOS version are prompted. 3. IPSec manual method considerations
Implementation of VPN on a Cisco router: 1. software requirements: IOS of ent
Article Title: Use vpn to connect to a remote server in 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.
The company's servers provide vpn access points so that they can connect to the company's servers through vpn at h
Next to the content in the previous section:
What is PPTP?
The following is an official explanation of Microsoft (the first draft submitted by Microsoft ):
Point-to-Point Tunneling Protocol (PPTP) is a network protocol thatEnables the secure transfer of data from a remote client to a private enterprise serverBy creating a virtualPrivate Network (VPN) Upload SSTCP/IP-basedData networks. PPTP supports on-demand, multi-protocol, Virtual Private Networki
This article describes how to compile a Python script to configure a VPN in batches. Setting up a VPN is a very popular behavior in China (well...). For more information, see
Origin
As we all know, the recent network is not harmonious, the speed is slow, and the VPN is still disconnected. Fortunately, yunti provides a lot of servers for switching, but there are
Centos 6.x configure VPN
The full name of VPN is "Virtual Private Network", which is translated as "Virtual Private Network ". As the name suggests, we can regard a virtual private network as an internal private line of an enterprise. It can establish a proprietary communication line between two or more enterprise intranets connected to the Internet in different places through special encrypted communicatio
Find the private channel for the VPN Intranet to log on to the Internet. The author is located in a branch. There are two network lines, one is frame relay to the headquarters of the company, and the other is the normal ADSL bandwidth, only 512 K. The entire branch uses the K broadband Internet shared by each user, the available bandwidth becomes very small, and the network application experience is not smooth. I have heard that the Internet egress ba
Buy a cheap VPS and install the linux system. run pptpd to implement the VPN service and use the famous iptables for nat forwarding. This looks like a professional VPN service. Configure the user name and password to implement a vpn shared by multiple users. the simple steps are as follows: 1 buy vps5.99 $/year https://bandwagonhost.com/aff.php?aff=1018 Buy a che
Official website of Pptpclient
Pptpclient official http://pptpclient.sourceforge.net/howto-diagnosis.phtml#pppd_options
1. use yum to install ppp and pptp packagesYum-y install pppYum-y install pptpIf yum does not have pptp, go to the http://pptpclient.sourceforge.net to download the installation, here we recommend using rpm package.I installed using: http://sourceforge.net/projects/pptpclient/files/pptp/pptp-1.7.2/pptp-1.7.2-3.rhel5.i386.rpm/downloadRpm-ivh./pptp-1.7.2-3.rhel5.i386.rpm2. config
The full name of VPN is ldquo; VirtualPrivateNetwork rdquo;, translated as ldquo; virtual private network rdquo ;. As the name suggests, we can regard a virtual private network as an internal private line of an enterprise. It can establish a proprietary communication line between two or more enterprise intranets connected to the Internet in different places through special encrypted communication protocols, it is like setting up a leased line, but
The biggest feature of broadband wireless access is the rapid and flexible networking, which can provide services to users at the fastest speed. It can provide such as wireless Internet access, wireless VPN, IP telephony, VOD video-on-demand, LAN interconnection and other types of business. Among them, enterprise users are more concerned about how to use broadband wireless access to build their own VPN.
In
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
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