openvpn documentation

Rotten mud: ubuntu 14.04 OpenVPN server, 14.04 openvpn This article is written by Xiuyi Lin FengProviding friendship sponsorship, first launched in the dark world The company branch needs to connect to the company's internal server, but the server only allows access to the company's internal network. To solve this problem, we plan to use VPN. PPTP is the most widely used solution for VPN in the past, but

Mud: openvpn configuration file details, openvpn configuration file This document consistsXiuyi Lin FengProviding friendship sponsorship, first launchedThe world 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

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

-type server Tls-auth ta. key 1 Comp-lzo Verb 3 Auth-user-pass Note: If the client is installed on a Windows system, you must use the Administrator permission to open it. Otherwise, the system will not add the route pushed by the VPN. If there are multiple VPN services, you can place the root certificate ca. crt, ta. key File and client xx. ovpn file in the same directory under config. 6.3 Test For more information about how to use PrivacyIDEA, see the official

/ta. key 0 // specify the tls-auth key Cipher BF-CBC // the encryption algorithm must be consistent with the client. Comp-lzo Max-clients 100 // maximum number of concurrent VPN connections allowed User nobody Group nobody Persist-key Persist-tun Status openvpn-status.log Log-append openvpn. log Verb 3 Mute 20 E.Create for GW2CcdConfiguration File [Root @ gw1 ~] # Mkdir-p/etc/

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

easy-rsa3 Generate Certificate # Configuration file directories are generally in a similar directory cp/usr/share/doc/openvpn-2.3.6/sample-config-files/server. conf/etc/openvpn/#2.3 needs to download an easy-rsa package independently. This package is used to create ca certificates and server certificates, client certificate wget-c https://github.com/OpenVPN/easy

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

the remote in the client configuration to the IP address/port of the host where the openvpn service is located. Figure 1 Brief openvpn Server Configuration Figure 2 brief openvpn client Configuration After the configuration is complete, connect to the service from the client. Then ping 10.4.0.1 from the client machine. If the response is received, the configura

Today, I saw someone in the group talking about openvpn. I just had a holiday at home, so I just studied it. I used the openvpn client when I was a little white two years ago when I was in the old unit and connected to the headquarters OA. I felt that the project should be usable in the future, SOgoogle has a lot of pieces of information on the Internet, and it has been around for a long time. according to

Check system environment [Root@ss-usa-odo01 ~]# Cat/etc/redhat-release CentOS Linux release 7.0.1406 (Core) [Root@ss-usa-odo01 ~]# DF-HP FileSystem Size Used Avail use% mounted on /DEV/PLOOP12288P1 30G 484M 28G 2%/ Devtmpfs 256M 0 256M 0%/dev Tmpfs 256M 0 256M 0%/dev/shm Tmpfs 256M 88K 256M 1%/run Tmpfs 256M 0 256M 0%/sys/fs/cgroup [Root@ss-usa-odo01 ~]# Cat/dev/net/tun Cat:/dev/net/tun:file Descriptor in [root@ss-usa-odo01 ~]# grep ipaddr/etc/sysconfig/network-sc

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

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

Build an OpenVPN service environment using CentOS I will not say much about the purpose of the OpenVPN environment, because friends who see this information should understand and need to use this tutorial. This tutorial has been prepared by @ qingliu for several hours. After multiple reinstallation drills, you can install and use it. The VPS environment is based on CENTOS6, if you want to install it, take a

Openvpn construction in linuxTags: 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-serverIp: 192.168.1.236 Installation Package address: http://down.51cto.com

Openvpn Bridge Mode in freebsd is probably the most popular semi-non-standard cross-platform VPN solution, with a large number of users and a pure userland implementation. it's pretty easy to set up, but I often forget certain steps so here's a tutorial for me to rememeber in the future :) Keywords: FreeBSD, OpenVPN, networkingI call OpenVPN semi-non-standard bec

Author: linyin (linyin.8800.org) is from Linyinblog. Implementation environment: # uname-aOpenBSDlinyin.8800.org4.3GENERIC.MP #0i386 #/usr/local/sbin/openvpn -- versionOpenVPN2.0.9i386-unknown-openbsd4 author: linyin (linyin.8800.org) Source:Linyin blog. Implementation environment: # Uname- OpenBSD linyin.8800.org 4.3 GENERIC. MP #0 i386 #/Usr/local/sbin/openvpn -- version

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-serverIp: 192.168.1.236 Installation Package

Install OpenVPN in CentOS6.6 VPN basic concepts VPN Function: establishes a secure private network on an insecure public network for encrypted data transmission. VPN and tunneling Technology Tunnel protocols include Passenger Protocol: encapsulated protocol, such as PPP and SLIP Encapsulation protocols: establish, maintain, and disconnect tunnels, such as L2TP and IPSec Bearer Protocol: the protocol that carries encapsulated data packets, such as IP