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
Openvpn supports Server mode from 2.0, that is, it supports multiple client connections. Previously, it was P2P, just a one-to-one connection. One client corresponds to one server. Later, with server mode, multiple Clients can connect to one server. Then, it may be in the peer-to-peer mode. All the terminals entering the VPN can communicate with each other in a completely peer-to-peer manner, or establish tunnels for each other, this equal distributed
The impact of the HeartBleed vulnerability on Heartbleed continues to expand. People thought last week that HeartBleed was only a nightmare for web servers, but over time, the threat of Heartbleed to enterprise intranet and data security is truly exposed, resulting in greater losses than web Services, and the repair is more difficult and long.
According to Ars, researchers have recently completed the verification attack and successfully extracted the encrypted private key from the VPN Service R
How to configure the openvpn client in linux, link the server through ssh, and openvpnssh
Openvpn InstallationApt-get install openvpnOpenvpn ConfigurationCopy the ovpn configuration file to the/etc/openvpn directory.Openvpn connection to the VPN ServerOpenvpn -- config/etc/openvpn/*. vnpInstall and configure
disconnections
In the elevator, on the high-speed rail, blind spots in mountainous areas, the company's toilet... you will suddenly lose contact, and then suddenly appear! However, the application does not want to be so frustrated. For OpenVPN, after testing, a reconnection takes about five seconds, and the cost is high, push again ,... in fact, as long as your ping-restart time is small enough, the lack of signal will be quickly perceived by
1,zabbix distributed as follows
Zabbix-proxy will collect data from each room to proxy, And then transferred to the Zabbix-server end. After Jumpserver joins, because Jumpserver own authority control, the batch management and the Operation log record, the video recording and so on outstanding function, uses the OpenVPN to dial into the room to complete the centralized management separately
2, because Zabbix in the absence of dedicated line ac
RouterOS is a very powerful routing system. With the hardware of MikroTik, you can save a lot of cost and implement superior functions such as routing, multiple upstream lines, multiple wireless transceiver, BGP, and OSPF. You can even set a connection to a specific VPN and use the VPN as the default route across network barriers and support OpenVPN. It can be said that it is a civil-level price, enterprise-level function. Given the high reliance on t
Tags: Nima with log HTTP win7 env logs add localInitially Win7 installed tap-windows Virtual ethenet Adapet, but only one local connection can be opened, and the re-addition of the tap window Adapater failed.Then the web said after the uninstall and then install, I put this device driver to TM Unloading, the results can no longer be installed.TMD in the company's Win7 computer can be added normally .....Then found an old version of the OpenVPN, downlo
In recent time, spent a lot of time in the configuration of OpenVPN. Spend a lot of time to solve the resource sharing access, the client through the server to ask the amount of external network.
After a hard work finally succeeded. Now write down the approximate process as a note
1 Windows version OpenVPN installation. Download the corresponding system version directly installed. In addition, to install Op
Using openvpn technology to configure servers, there is a huge competition in the current openvpn technology market. Some people may not know what openvpn technology is. It doesn't matter. I read the following parameters, you will also become an expert.
It has been a long time since I started the openvpn technology. F
Connect two remote LAN system environments based on OpenVPN: SERVER: RHEL5 [2.6.18-8. el5xen] software environment: http://openvpn.net/release/openvpn-2.0.9.tar.gz http://openvpn.se/files/install_packages/openvpn-2.0.9-gui-1.0.3-install.exe http://www.oberhumer.com/opensource/lzo/download/lzo-2.03.tar.gz Reference: http://openvpn.net/index.php/documentation/howto
OpenVPN cannot be used in Android5.0 (Lollipop) for problem analysis, openvpnlollipopAfter several days of research efforts, we finally solved the problem that OpenVPN cannot run on Android5.0. The solution and troubleshooting problems are as follows:1. use NDK to recompile the latest ics-openvpn source code (download through the wall or go to github) 2. build li
First step: Modify the server-side configuration file:
Auth-user-pass-verify/usr/local/openvpn/etc/checkpsw.sh via-env
Client-cert-not-required
Username-as-common-name
Script-security 3
Note: If you add client-cert-not-required, then the user name password is used to authenticate the login, and if not, the certificate and username password are required to double verify the login.
checkpsw.sh Download Address: http://openvpn.se/files/other/checkp
An error occurred while installing openvpn: "An error ocurred installing the tap device driver"
The cause of this problem is: this error occurs when the TAP-Win32 network adapter has been disabled, Windows hardware installation Verification Failed. It will cause failures in the subsequent openvpn connection failures.
Solving this problem is simple:
1. Skip the current error message and click "Next" to
OpenVPN multi-processing-netns container and iptablesCLUSTERIf you still indulge in the previous results and the imposed sighs, do not meditate and sublimate them.Ip netns add vpn1Ip link add veth0_vpn1 type veth peer name veth_vpn1Then, veth0_vpn1 is assigned to vpn1, and veth0_vpn2 is assigned to vpn2.Ip link set veth0_vpn1 netns vpn1Connect veth_vpn1, veth_vpn2, and eth0 together:Brctl addbr br0Now, run OpenVPN
There are too many things to do after OpenVPN is transplanted into the kernel.It took two days and one night to port the OpenVPN data channel to the Linux kernel. Today, I got sick and didn't go to work. In the evening, I just concluded that there were too many things in TODO, and at the end of the year, there were too many things in the company's home, it may not take much time for me to do so. When I get
Article title: openvpn manages multiple configuration files. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
After the company's network has been adjusted recently, there are three vpn connections that need to be used. according to the default configuration, it seems that only one configuration file under the conf
Install OpenVPN in CentOS 7
The command is very simple, but there seems to be no information on the Internet, only the information below RHEL6.
Directly paste the command:
12345
Cd ~ Wget http://swupdate.openvpn.org/as/openvpn-as-2.0.10-CentOS7.x86_64.rpmrpm-Uvh openvpn-as-2.0.10-CentOS7.x86_64.rpmovpn-init
You can modify the port information.
After i
Test the OpenVPN encrypted tunnel on a single machine and solve the problemIn fact, the relationship between this article and OpenVPN is not very large, but the problems exposed during the OpenVPN test. This article contains many details about IP routing and conntrack.If you ping the IP address configured on a network card, the result will not pass through the ne
Two days ago, hivefans built an openvpn server on a server in the cluster because of the inconvenience caused by the cluster's network segment. If you have encountered some problems, record them.
He only built an openvpn and did not install ovpn on other servers in the cluster. He wanted to route the Intranet network segment of the cluster through ovpn, the company can access the Intranet address of the cl
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