key is used on the server
# Then every client must also have the key.
; Tls-auth ta. key 1
# Select a cryptographic cipher.
# If the cipher option is used on the server
# Then you must also specify it here.
; Cipher x
# Use lzo compression, consistent with the server
Comp-lzo
# Set log file verbosity.
Verb 3
# Silence repeating messages
; Mute 20
-----------------------
5. connection:
Right-click the openvpn icon in the lower-right corner and select
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
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
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
side. If the linkLayer doesn't get this it will regularly reprobe the neighbor (e.g., via a unicast ARP). Only valid on SOCK_DGRAMAnd SOCK_RAW sockets and currently only implemented for IPv4 and IPv6. See arp (7) for details.
Because the peer only receives the ping request and directly responds to the ping reply request in the protocol stack, the socket is not involved, and the related confirm such as redirect in the routing subsystem is not involved
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
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
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
Network security protection under IPv6 scale deployment-IPv6 Security Technology question 7, ipv6 question 7
Due to the huge address space, IPv6 has a natural advantage in coping with some security attacks, network security is enhanced in terms of traceability, anti-hacker sniffing capabilities, neighbor discovery prot
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
OpenVPN is a software package used to create a VPC encrypted channel. It implements a two-or three-tier tunnel-based VPN. It was first written by James Yonan. OpenVPN allows the created VPN to use a public key, digital certificate, or user name/password for authentication. It uses a large number of SSLv3/TLSv1 protocol libraries in the OpenSSL encryption library.
Currently,
Deploy OpenVPN Server on CentOS 6
References:Https://www.digitalocean.com/community/tutorials/how-to-setup-and-configure-an-openvpn-server-on-centos-6Http://www.unixmen.com/setup-openvpn-server-client-centos-6-5/Http://docs.ucloud.cn/software/vpn/OpenVPN4CentOS.html
Background:Recently, GFW began to block VPN, and the PPTP/L2TP VPN built on VPS began to become un
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