best vpn concentrator

Build an ipsec/xl2tpd VPN in centos 6.5 In this article, yum is installed directly, saving you trouble. I. Installation (a command is fixed) Yum install openswan ppp xl2tpd Like the source code installation of friends can go to the http://pkgs.org to download the source package. Ii. Configuration 1. edit/etc/ipsec. conf Vim/etc/ipsec. conf Replace xx. xxx with the actual Internet fixed IP address of your own VPS. Others do not move. Config setup Nat_

Configure pptp VPN Client in CentOS 6.3 Yum-yinstallppp pptppptp-setup Pptpsetup command usage and description: Pptpsetup -- create Pptpsetup-delete Pptpsetup -- create vpn connection name -- server VPN server IP -- username VPN username -- password VPN password Vi/etc/ppp

Run pptpd on CentOS to implement VPN ServiceBuy 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. Then configure the user name and password, you can achieve multi-person sharing vpn simple steps ar

Why is the WIN7 system VPN not connected to the Internet? Don't worry, just look at the little book. This Win7 system VPN Setup Guide ~ may be able to help you. First: After you set up a VPN, you cannot connect to the workspace network at home (or elsewhere) through the Internet, check the items in this list: -Make sure that the virtual private network (

Workaround: A problem that is easy to connect to VPN under the corporate Unit network, because the VPN connection is global and can change native IP, resulting in the inability to access the internal network of the company. To solve this problem is not difficult, with the help of the modified routing table to bypass, so that access to the internal network or through the local gateway, the following describ

1 Introduction With the enlargement of the scale of university running, the new (sub) campus spread to the wireless network construction and management put forward higher requirements. VPN technology can not only build a unified wireless network management platform, but also improve the security of wireless campus network. 2 VPN Overview VPN (Virtual private n

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.

Experiment content of Dynamic IPsec VPN in a star network: 1. Create a fully interconnected topology. 2. Take R1 as the center, so that R2 and R3 establish a neighbor relationship with R1 respectively, while the routes between R2 and R3 are not reachable. 3. Create a Dynamic IPsec VPN R1 # show run !! Crypto isakmp policy 100 hash md5 authentication pre-share group 2 lifetime 3600 crypto isakmp key ilovetg

There are many methods for setting up a vpn server on ubuntu with a single NIC, including PPTP, L2TP/IPSec, and OpenVPN. Among the three methods, the latter two have better security, but the configuration is troublesome. OpenVPN is deployed on Windows/Mac... There are many methods for setting up a vpn server on ubuntu with a single NIC, including PPTP, L2TP/IPSec, and OpenVPN. Among the three methods, the l

Comprehensive Experiment DMVPN + EZVPN + VPN OSPF + route re-releaseBasic interconnection configuration! Internet: conf tint f0/0ip add 100.1.1.1 255.255.0no shut exit int f1/0ip add 210.1.1.1 255.255.0no shutexit int f1/1ip add 200.1.1.1 255.255.255.0no shutexit! Beijing-Center: route # conf tint f0/0ip add route nat Route shutexitint f1/0ip add 10.0.2.5 nat route shutexitint f1/1ip add 10.1.1.49 route shutexitip Route 0.0.0.0 0.0.0.0 route 172.16.0

agenda: . VPN introduction . VPN working principle . VPN data transmission protocol . VPN Server construction case: Company X has a long distance between departments, and the company's network cannot accommodate a LAN, to ensure secure transmission and easy management of information in each LAN, what are your best met