event will be audited as an exception event, as it seems normal, since it is necessary to maintain a persistent connection, it should not be disconnected. Now it is disconnected, and that is not necessary. Second, for those environments where bandwidth is scarce resources, heartbeat packets occupy considerable resources, such as 3G users, without actual data transmission, the heartbeat packets sent will be completely wasted.
Why does VPN need to maintain a persistent connection? Isn't it easy t
Server Configuration
1 , Installation
Openvpn
Rpm-IVHHttp://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.2-2.el6.rf.x86_64.rpm
Yum install openvpn-y
Of course, you can also download from this page:Http://openvpn.net/index.php/download.html
2 , Configure the server
2.1 Initialize the server
CD/etc/openvpn/
CP/usr/share/doc/
Openvpn construction in CentOS, centosopenvpn
OpenVPN is a VPN software based on tunnel encryption. The following describes how to install OpenVPN in CentOS 6.5:
Setenforce 0yum install-y openssl-devel lzorpm-ivh http://mirrors.sohu.com/fedora-epel/6/x86_64/epel-release-6-8.noarch.rpmcd/etc/yum. repos. d/cp epel. repo epel. repo. baksed-I's/^ secure list = https
OpenVPN is a very powerful VPN server software, and some netizens want to know how to make Windows connection use OpenVPN. So, today's small series for everyone in particular to organize a related article. Before learning this tutorial, please users to download OpenVPN client, and then follow this tutorial to learn and operate!
1, first open the
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
Article title: installation, configuration, and use of OpenVPN in Linux. 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.
Introduction
OpenVPN is an application-layer VPN implementation based on the OpenSSL library. Compared with traditional VPN, it has the advantag
OpenVPN construction and related configuration in CentOS6.3
I. background
Because the company does a lot of business, it is divided into network companies and other business companies, that is, several companies are separated, not in the same place, then some data of the network company needs to be accessed by other business companies, that is, shared data can also be accessed by everyone. Many of the data shared by the network company is stored on th
Enable Password Authentication for OPENVPN
1. Server Configuration
1. Modify the main configuration file of openvpn and add the following content:
[Root @ ttt openvpn] # cat/etc/openvpn/server. conf | more
######### Auth password ########Script-security 3 ### -- add script processing, such as password verificationAuth-
OpenVPN-ng, an application-layer tunnel for Mobile Life
VPN 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, so there is a so-called layer-2 VPN technology, layer-3 VPN technology, or even
The main configuration processes are:
1. Download OpenVPN software to App Store
2, after downloading, connect to the PC, your OpenVPN service provider's configuration file into
Click the Add button and select File to join.
3, at this time running the iOS side of the OpenVPN client
The software will automatically identify the
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-release-0.5.2-2.el6.rf.i686.rpm after instal
OpenVPN multi-processing-why notOpenVPN does not handle much. It is well known. I think it is a bit cool to say this every day. Why didn't I handle it more? Let's take a look at how James Yonan (JY for short), author of OpenVPN, has already exceeded code.OpenVPN 2.0 has no multithreading support, this is the only feature present inWell, it clearly shows that the OpenVPN
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
Installing openvpn in Ubuntu is simple. apt-getinstallopenvpn is followed by buildkey and server and client configuration. For details about how to maintain the dns on the openvpn server, refer to/etc/resolv. after openvpn is installed in conf, save it ~ /Iptables-init.sh, and then run to iptables-tnat-APOSTROUTING-s1
Installing
Test the OpenVPN encrypted tunnel on a single machine and solve the problem
In 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.
Sometimes, to save on the machine, I want to simulate multiple devices on one device. Of cours
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
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