Openvpn construction in linux and linuxopenvpn ConstructionTags: original vpn files, which can be reprinted. During reprinting, you must use hyperlinks to indicate the original source, author information, and this statement. Otherwise, legal liability will be held. Http://304076020.blog.51cto.com/7503470/1605312
Lab EnvironmentSystem: centos 6.5Hostname: openvpn-
I. OpenVPN installation Environment Server-Side environmentRedhat, kernel version: 2.4.20-31.9, IP for 70.8.7.6Kernel need to support Tun devices and need to load iptables modules. Check to see if Tun is installed: Code:root@a [/]# Modinfo TunFileName:/LIB/MODULES/2.4.20-31.9/KERNEL/DRIVERS/NET/TUN.ODescriptionAuthorLicense: "GPL" If there is no modinfo command, just look for it and see if there are any tun.o files in kernel: Code:Find-name TUN.O./lib
application software (such as IE) sends data to the virtual network card, the service program can read the data, if the service program writes appropriate data to the virtual network card, the application software can also receive the data. Virtual NICs are implemented in many operating systems, which is also an important reason for OpenVpn to be cross-platform.
In OpenVpn, if a user accesses a remote virt
Mud: openvpn configuration file details, openvpn configuration file
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In the previous article "build OpenVPN server in ubuntu 14.04", we mainly explained how to build and use openvpn. In this article, we will detail the config
/# vim/etc/openvpn/2.0/conf/server. confport 1194 proto udp dev tun ca/etc/openvpn/2.0/keys/ca. crtcert/etc/openvpn/2.0/keys/server. crtkey/etc/openvpn/2.0/keys/server. key # This file shoshould be kept secret dh/etc/openvpn/2.0/keys/login server 10.8.0.0 255.255.255.0push "
. Then, on the PrivacyIDEA [Tokens] interface, test whether the token pin code or token code is correct. As follows:
Run the radtest command to test whether FreeRADIUS and PrivacyIDEA are normal. You can also use FreeRADIUS's debug mode to enable the FreeRADIUS service for troubleshooting.
Use the OpenVPN client to test whether the authentication is successful. If you have any questions, you can view the OpenVPN
The first bottleneck of openvpn is that the Tun character device reads and writes frames at one link layer. The reason why the user-mode openvpn process must have the same link-MTU on both ends, it is because each time openvpn reads a complete Ethernet frame from the/dev/NET/TUN character device, there are not many, and the library interface: ssize_t read (int fd
Environment company Intranet One CentOS 6.6 Server A, the network card eth0 intranet ip:192.168.8.60, the company public network IP is 116.228 12.88, uses the router's DMZ function to map the public net to the intranet server A (namely Intranet ip:192.168.8.60).
1, install OpenVPN on the server. Because there are no OpenVPN packages in the default
OpenVPN-ng: The application-layer tunnel for Mobile Life, And openvpn-ng Application LayerVPN makes people think that it is always a good thing and a way to escape from supervision. In fact, VPN has become the only synonym for escaping from supervision. You see, no matter what technology, IPSec, or WEB Proxy, as long as it is the technology that encrypts the original information, it can all be called VPN, s
It is said that now PPTP, L2TP and so on are not very good, and the OpenVPN sometimes seemingly also do not connect (for example, the previous article, on many people can not connect to the reaction installed), this article is about using the OpenVPN Access server free version to build an anti-jamming VPN;
OpenVPN Access Server free version only supports
OpenVPN server verified by account and password
EnvironmentServer: CentOS 6.7 32-bitClient: Windows XP
Server Configuration# Disable SELinuxSed-I '/^ SELINUX \ B/s/=. */= disabled/'/etc/selinux/configSetenforce 0
# Install mysql-serverYum-y install mysql-server
# Start the mysqld serviceService mysqld start
# Initialize the mysql administrator passwordMysqladmin-uroot password RedHat
# Create a radius Datab
OpenVPN server configuration file description (transfer), openvpn configuration file
This article describes how to configure the configuration file on the OpenVPN server. In Windows, this configuration file is generally called server. ovpn. in Linux/BSD, this configuration file is generally called server. conf. Although the configuration file name is different, t
Based on the linux operating system architecture openvpn Summary-Linux Enterprise Application-Linux server application information, the following is a detailed description. Use OPENVPN to connect data centers 1
1 status quo 2
2 network structure 2
3. server information and network security 4
3.1 server information 4
3.2 Network Security 4
4 Use openvpn for
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
Build openvpn server in Centos6.5
Because the new version of openvpn does not contain the most important certificate preparation part: easy-rsa, You need to download easyrsa in advance and download it on GitHub. The configuration process will be shown in the following step, this deployment uses the easy-rsa3, And the easy-rsa2.0 operation is completely different, other online on the easy-rsa2.0 of the tutor
I. openvpn introduction openvpn is an SSL-based vpn. it uses the industrial standard SSL/TLS protocol to implement the Layer 2 and Layer 3 secure data link VPN. it has the following advantages: 1. based on the SSL protocol, security, and using a single TCP or UDP port can achieve 2. using two-way authentication...
I. INTRODUCTION to openvpnOpenvpn is an SSL-based vpn. it uses the industrial standard SSL/TLS
standards, and the protocol stack cannot be modified;
Second, when the data reaches the bottom physical layer, it cannot be removed, but is returned to the user space. Therefore, the virtual Nic is a good choice.
All of the above are some theoretical knowledge of OpenVPN, and these are also collected from the Internet from the blog of the experts.
Build OpenVPN server with CentOS6
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.com Shell code wget http://apt.sw.be/redhat/el6/en/i386/rpmforge/RPMS/rpmforge-release-0.5.2-2.el6.rf.i686.rpm Shell code rpm-Uvh rpmforge
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