disadvantages of vpn

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

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

Application Introduction For enterprise users, it is necessary to provide a secure tunnel to the headquarters network for business travelers and remote workstations so that the terminal can access internal resources. With PPTP VPN, terminals can access the Internet via broadband, private network, 3G, WLAN and other access modes, use VPN client dialing, establish a safe tunnel with headquarters r

LAN on VPN Ethernet access technology in the detailed, broadband popularization, often face the problem of VPN Ethernet access technology. So, today I am going to introduce VPN Ethernet access technology settings skills, I hope this article can teach you more things, for everyone's life bring convenience. Ethernet has become the most widely used network technol

The previous example deploys a remote access VPN and deploys an instance of a site to the site below: The site to site VPN connection is two networks. Realize the mutual exchange of computers within two networks. By default, a Site-to-site VPN connection is a demand-dial connection and is established only if network traffic must be forwarded over this interface

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 (serve

The current network construction has been developed from the original regional network to cross-regional, trans-city wide area Connection, and the security requirements of the network and the increasing carrying business, with the original means of networking many problems difficult to solve. Because of the inherent advantages of MPLS VPN technology, the special network has solved the problems that bother users and integrators. The following is the us

I. Requirements According to the business development needs, the US branch of the company connects to the Hong Kong data center through vpn dialing. the dialing client serves both as the vpn Client and also as the linux gateway. Currently, there is only one server, I am afraid that I will not be able to contact Hong Kong in the United States after it becomes a machine, so that I can configure its high avail

One of my customers has a VPN which I 'd like to access. they provided me with a copy of the Cisco VPN Client for Linux, and a "PCF" configuration file for the client. here's what I had to do to get the Cisco VPN Client working in Linux-and it does work just fine. First we make a directory to put the bits and bobs in alan@hactar:~$ mkdir ciscoalan@hactar:~$ cd ci

If you are engaged in development, you will inevitably enter and exit the wall. Although VPN is good, it will lead to a very slow access to domestic resources if you export all the traffic to the VPN exit. Brother Chi Jianqiang mentioned using route tables to solve this problem in the blog VPN-Great Wall inside and outside, but Yu Shaoshan. But the Great Wall is

The VPN device logs syslog To the BSD server-Linux Enterprise Application-Linux server application information. The following is a detailed description. 1. Set the syslog parameters of the VPN device. I use this VPN Device of Beijing Power. Other network devices are not very different. 2. After configuring the VPN, tc

Http://www.boofee.net/bigfee/read.php? 976Modify the Windows rras vpn pptp service default port number through the Registry The default port number used by the first-layer tunnel protocol PPtp of VPN (Virtual Private Network) is TCP 1723, which is a standard, that is to say, whether it is the VPN service provided by Microsoft Windows Server or other systems or ha

----------------------- Openvpn is an open-source VPN software used on LINUX gateway servers. as its name implies, openvpn is used to connect a secure virtual private channel, allowing users to remotely work and obtain intranet resources. The software can be used across platforms in Linux, xBSD, Mac OSX, and Windows. openssl is used as the encryption library and the encrypted certificate or user name/password is used for identity authentication, is a

Tags: VPN centos linux PPP PPTPWhat is a VPN? VPN is a virtual private network, its function is to establish a private network on the public network, to encrypt communications.The VPN gateway enables remote access through the encryption of the packet and the conversion of the destination address of the packet.