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 communication protocols, it is like setting up a leased line, but it does not need
VPN simultaneously accesses the Internet (batch processing, Automatically Obtaining IP addresses and changing routes)The computer in the house is too bad, and the virtual machine cannot be activated. You can only use a VPN to connect to the VPN Server of the organization, and open the Virtual Machine on another working machine. After the dial-up
Author of vpn simple transit application service: linuxpf last Modification time: 2008.12.24 I will not talk much about the principles on the internet. when you encounter other problems, I often try to analyze the principles, we need to know the ppp encapsulation principle and gre routing knowledge. for more information about the principles, see the following link. This article can achieve vpn transit.
Auth
Ubuntu vpn connection failure solution: ubuntu vpn connection pptp connection ubuntu1204 and ubuntu1210, all found that by default, after configuring the vpn, the link failed today when trying to solve the problem, the following solution is found: open the network link, select the VPN label, and edit the solution to ub
The required software package for building pptp server in Ubuntu is pptpd, which can be installed with apt-get:Sudo apt-get The system automatically resolves the dependency. After the dependency is installed, you need to set the dependency. First edit/etc/pptpd. confSudo nano/etc/pptpd. confRemove the comments of the localip and remoteip parameters at the end of the file and modify them accordingly. Here, localip is the ip address of the server after VPN
This article describes in detail how to install a VPN client in CentOS (note that it is not a VPN server)1. Install software[Root @ webserver ~] # Yum install ppp pptp-setup2. Register the ppp_mppe kernel module[Root @ webserver ~] # Modprobe ppp_mppe3. Create a VPN connectionCustom connection name: vpnPPTP Server: 123.456.78.90User Name: sunPassword 123456[Root
Win8.1 also listed for nearly one months, which brings a lot of improved interface and operation methods, but also bring a lot of trouble to users, the previous commonly used VPN Settings feature always prompts the connection error, the following small set of simple to take you under the Windows 8.1 Platform VPN connection.
Preparatory work:
VPN account, such a
Windows 8.1 RTM has been released ahead of time to subscribers to Microsoft Msdn/technet, with a broader range of changes and improvements. A tip to share with you today is how to modify the VPN account password under Windows 8.1. Because Microsoft has designed a new start and interface for the system since Windows 8, designed to provide a better operational experience for touch, you will find that some traditional desktop operations will interact clo
The script content is very simple, uses the Yum to install the software, and has made the configuration, but, because I use the Ubuntu image, is apt, therefore needs to make some changes.Here's my modified script:
#!/bin/bash
# automaticlly Install pptpd on Amazon EC2 Amazon Linux (Ubuntu)##我用的是ubuntu的镜像, the main is to install VPN needs software, set iptables, configure PPP and VPN#记得添加自定义规则: TCP port 17
Of course, the use of VPN is much more than this, such as game agent and so on. Here's a detailed tutorial on erecting a VPN under windows. Hope to be helpful to the friend you need.
The first is preparation: Windows has its own firewall (Windows Firewall/internet Connection Sharing (ICS)) to stop (or allow 1723 ports to pass); Remote Registry Service (remotely Registry) and open, the Server service (serv
This article describes how to configure packet filter support for PPTP VPN clients.
The Windows Server 2003 Routing and Remote Access service supports virtual private networks (VPNs). VPN clients can use Point-to-Point Tunneling Protocol (PPTP), second-tier Tunneling Protocol (L2TP), and IP Security (IPSEC) to create a secure tunnel to the Windows Server 2003-based Routing and Remote Access Service
New ways of intrusion into the system can be accessed through VPN
VPN has become more and more widely used. Some people use it to bypass the review system, some use it to access websites prohibited by the State, and some use it as the privacy protection layer.
There are usually two reasons for using VPN in our work: Access Vulnerability exploitation toolkit or
Bgp mpls/VPN Network Technology BGP protocol has been well known for a long time. Its powerful routing policy tool capabilities and its storage and routing performance go beyond any internal gateway protocol of the image model, therefore, it exists as a "bridge" between autonomous systems. before that, there was an EGP protocol, and few people knew it, because it was not widely used, and it is not used by the US military now, but there are not many po
A Brief Analysis of Dynamic Multi-Point VPN using IPSec tunnel for secure data transmission over the Internet is the main solution for communication between Headquarters and branches of the company. Its commercial value will not be mentioned here, and it will take a long time to find a document. The IPSec network topology can be a star structure (hub-and-spoke) or a mesh structure (full mesh ). In practical applications, data traffic is mainly distrib
Zhan Bo Juniper) SRX is relatively simple to establish a VPN site, and NAT is also simple to use. What I want to talk about is the joint application between them. Requirements: Local A and local B establish A VPN site connection, A remote place C through the leased line to the local, the remote only to the local A route, and cannot add A route. Remote C is required to access
Pptp vpn Server in CentOS6 Architecture
For more information, see http://www.178-go.com/archives/vpn-on-centos-vps.html. There are also many articles about installation and configuration on the Internet, which are also detailed. It is not difficult to configure according to steps. Because my application scenarios are a little different from those described in these articles, the server for configuring the
Build a Linux-based VPN Network-Linux Enterprise Application-Linux server application information. The following is a detailed description. Building a VPN is almost one of the most advanced Linux applications. Learning this technology is enough to make you proud of the capital. The main purpose of VPN is to establish an encrypted communication mechanism, and then
The VPN penetration function of the network router is described in detail. The router VPN penetration function does not mean creating a VPN channel, but allows a VPN channel created by other terminals to pass through it, next I will take a network-connected router as an example to introduce it in detail.1. The number o
Build a VPN Server Based on CentOS
1. VPN Server Environment Description
Operating System: CentOS 6.5
VPN-Server local Nic information:
[root@VPN-Server~]
#ifconfig
eth0Linkencap:EthernetHWaddr00:0C:29:DA:D0:E0
inetaddr:192.168.30.130Bcast:192.168.30.255Mask:255.255.255.0
inet6addr:fe80::20c:29ff:feda:d0e0
/64
Scope
A problem occurred when we used PacketiXVPN in our company to build a VPN server using CentOS. After a long time, I had not solved the problem, so I found out the problem by looking for their technical staff to completely simulate our network environment...
A problem occurred when we used PacketiX VPN to build a VPN server using CentOS. After a long time, I did n
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