, use the following command to download:
wget http://poptop.sourceforge.net/yum/stable/packages/pptpd-1.4.0-1.el6.x86_64.rpmRPM-IVH pptpd-1.4.0-1.el6.x86_64.rpm
3. Configure
Ppp
Configuring PPP requires editing its two profiles, one option (options) file and one user account file. First edit Option file:
Vim/etc/ppp/options.pptpd
Find Ms-dns
Modify:
Ms-dns 8.8.8.8Ms-dns 8.8.4.4
Next, modify another file that stores the user account:
Vim/etc/ppp/chap-secrets
This file is very simple, w
Description
RouterOS Server ip:172.31.101.80
RouterOS version: RouterOS V6.15
Demand:
To configure the PPTP VPN server on the RouterOS server, the PPTP VPN Client dial-in network segment is: 172.31.101.60-
172.31.101.79
Operation Steps:
First, login RouterOS server
Use Winbox to login here RouterOS
Winbox Download: Http://
Detailed explanation of VPN technology (next)
Lu Xiaopo
(Immediately medium)
Data transfer phase
Once this 4-phase negotiation is complete, PPP begins forwarding data between the connecting peers. Each transmitted datagram is encapsulated within the PPP header, which is removed after it arrives at the receiving party. If you choose to use data compression in Phase 1 and you have completed the negotiation in Phase 4, the data will be compressed bet
I. Overview:
Both ends of the headquarters and division are PIX8.0, all for De Chinglu, such as a telecommunications line, a mobile line, requiring telecommunications lines to go their own online internet traffic, mobile line to go VPN traffic, but if the telecommunications line failure, or mobile line failure, can not interrupt the Internet and VPN connection.
Two. Basic ideas:
A. Set two default gatewa
. and Optical Bridge contract, by the Chinese network to light Bridge Company located in Beijing, Shanghai, Guangzhou and other places of office to provide CNC connected service system in the MPLSVPN access services. This is a successful case of China Netcom's domestic VPN access service based on MPLS.Implementation planAccording to the Optical Bridge in Beijing office (International Trade) of the network access status, in the international trade only
First slide the mouse to the top right or bottom right corner of the screen, exhale the Super bar, and choose Set. When you click on the network section, you will typically display the network name you are currently using.
Enter the settings
Click on the network Setup interface, in the first "connection" project, we can see a "Add VPN connection" option, click it into the Setup interface.
New VPN con
Before I introduced to you based on ISA 2006 building Enterprise employees VPN connection platform content, today, and then based on TMG 2010 How to build a VPN platform to introduce you, the general process is the same, but there are some steps on the Windows Server 2008 is different from Windows Server 2003, so today I also have a complete description of the difference between configuring PPTP
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
Comparison and Analysis of mpls vpn and VLAN + ACL
Scope of application: VLAN is essentially a LAN technology and is suitable for LAN isolation. However, VLAN alone cannot guarantee the isolation of IP services and must be used with ACL. In this way, all business systems are in the same IP address space, which is visible to each other and not truly isolated, leaving hidden risks for network security. Mpls vpn
I. VPN concept
VPN is a secure and stable tunnel through a chaotic public Network. Through packets and encrypted transmission of network data, a temporary and secure connection is established in a public network (usually the Internet, in this way, private data can be transmitted on the public network to reach the security level of the private network. If the access method is dial-up, it is called VPDN. Gene
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
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
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