openvpn tunnel

Openvpn is actually used for transmission at the application layer. You can select UDP/TCP as the transmission protocol. UDP is more commonly used. The reason is described in this article. Why openvpn network? If I want to access the network resources of the Organization at home, VPN is a good choice, but in general, setting up a VPN requires a VPN Server, that is, at least one real IP address, this is not

OpenVPN DoS Vulnerabilities (CVE-2014-8104) Release date: 2014-12-01Updated on: 2014-6 6 Affected Systems:OpenVPN OpenVPN Access Server Description:Bugtraq id: 71402CVE (CAN) ID: CVE-2014-8104 OpenVPN is an open-source ssl vpn toolkit. In versions earlier than OpenVPN 2.3.6 and earlier than

There are several timers in openvpn. These timers limit the maximum duration of some specific behaviors of openvpn. If they are not set properly, they may cause inexplicable disconnection problems, however, how to set these counters does not have a general solution. In certain cases, they cannot be too large or too small. 1. Ping This timer defines the interval between sending ping packets (in case of upper

After openvpn has the setenv and reverse push-peer-info that can be pushed, it can theoretically implement bidirectional push of any information, which is too convenient. However, convenience requires a price, that is, it is prone to confusion, errors, and the lack of security. In this world, there are two groups that are hostile to each other. One is how to make nodes more interconnected, and the other is how to control access to communications. In o

Build openvpn based on user password authentication on CentOS 6.6 x64 I. Deployment For more information about the deployment, see my previous article. Here we will simply modify the previous article. Http://www.centoscn.com/image-text/config/2015/0717/5874.html Ii. Modification # Vim/etc/openvpn/server. conf Add the following lines of data at the end of the configuration file: Script-security 3 system Au

[Autohome by car] July 22 Shanghai Waitan Tunnel is less than 200 meters from the exit of Wusong Road, a traffic accident occurred, a white BMW car crashed after burning, a total of 4 people, 3 people were ejected, the accident caused 3 dead 1 injured. The cause of this accident is the BMW car in the tunnel speeding, when the speed of up to 177km/h, and the car in addition to the driver is not wearing a sea

After completing the OpenVpn Bridge Mode experiment under UbuntuServer10.04, this experiment on the routing mode involves two modes: the bridging mode and the routing mode, let's take a look at the differences between the two modes. The above content is available on the Internet. I just organized them into tables to make it easier to compare and understand. Experiment environment: (1) topology: (2) The two routers are simulated using the Dynamips simu

Install Openvpn in Ubuntu 14.04Install Openvpn in Ubuntu 14.04--------------------------- Download and install openvpn ----------------------------------- Install openvpn and other necessary plug-ins # Apt-get install openvpn libssl-dev openssl Install easy-rsa

First, what is OpenVPN Static Key According to the official document, the Static Key approach is a point-to-point (point-to-point) VPN. Second, the advantages of OpenVPN Static Key 1. Easy installation2, easy to use, Windows, OS X, Linux can be used by the official client3, adopt the UDP way, the connection is more stable Third, the OpenVPN Static Key's disad

Directory 1. Install 2. Set up a serious organization to generate a certificate 3. Configure the server 4. Configure the client 1. InstallInstall in UbuntuOpenvpnExtremely simple: Code: Sudo apt-Get installOpenvpn We recommend that you useOpenvpnGUI for Windows installation package, which includesOpenvpnAnd a user-friendly GUI in windows. 2. Set up a serious organization to generate a certificateReferenceOpenvpnIn general, there is no problem.In ubuntu, the direct

Key points and precautions for building openvpn for general enterprises in the centos Environment Briefly describe the enterprise environment. the ISP is connected to the Firewall of China-made hillstone network. The public IP address is 58. x. The firewall directly connects to the Huawei layer-3 Switch (core). The firewall's intranet interface IP address is 192.168.199.254, and the Management IP address of the layer-3 switch is 192.168.199.1, which b

A few weeks ago, Canonical released the Ubuntu 14.04 LTS version. The new operating system has undergone great changes, but some problems still need to be solved, such as the openVPN import function. If you have used a VPN connection on Ubuntu, you should know that you have to download the network-manager-openvpn package from the official software package management center to achieve the VPN connection, it

Company demand: Need to build a OpenVPN in the Japanese server, and then through the proxy way to visit foreign sites. Server IP: [root@li493-137 ~]# Ifconfig Eth0 Link encap:ethernet hwaddr f2:3c:91:ae:0a:55 inet addr:57.17.20.30 bcast:57.17.20.255 mask:255.255.255.0 Inet6 ADDR:2400:8900::F03C:91FF:FEAE:A55/64 Scope:global Inet6 ADDR:FE80::F03C:91FF:FEAE:A55/64 Scope:link Up broadcast RUNNING multicast mtu:1500 metric:1 RX packets:4620022758

Centos6.3 openvpn client Centos does not provide Openvpn by default, and there is no openvpn in The yum source. if you want to use yum for installation, install EPEL first. Www.2cto. comShell code wgethttp: // apt. sw. be/redhat/e... Centos6.3 openvpn client Centos does not provide

Installation and configuration of a OpenVPN client 1. To the OpenVPN official website http://openvpn.net Download the OpenVPN GUI, the client version should be consistent with the server version. 2. Install OpenVPN GUI, the default installation path under C:\Program Files\openvpn