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Openvpn manages multiple configuration files

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

OpenVPN Optimization-Establishment of TLS handshake Control CHannel

OpenVPN Optimization-Establishment of TLS handshake Control CHannelAn optimization of the OpenVPN data tunnel is in progress. After referring to the concept and idea of the "giant frame", I carefully considered the design and implementation of the TCP/IP protocol stack, so I come up with a possible error, but at least it is very practical in my scenario: although the upper-layer protocol sends data, it does

How to install openvpn in RedhatLinux enterprise 4

. However, one fatal weakness is that two ports are built. In most cases, penetrating NAT is an obstacle, so I finally gave up. Opensvn solves the NAT problem and does not have any problems in the internal network and public network tests. The only limit for openvpn is that you cannot use the Windows built-in vpn Client. You need to install additional software. Fortunately, the installation process is very

Using OpenVPN to realize the actual deployment of proxy

Company demand: Need to build a OpenVPN in the Japanese server, and then through the proxy way to visit foreign sites. Server IP: [root@li493-137 ~]# Ifconfig Eth0 Link encap:ethernet hwaddr f2:3c:91:ae:0a:55 inet addr:57.17.20.30 bcast:57.17.20.255 mask:255.255.255.0 Inet6 ADDR:2400:8900::F03C:91FF:FEAE:A55/64 Scope:global Inet6 ADDR:FE80::F03C:91FF:FEAE:A55/64 Scope:link Up broadcast RUNNING multicast mtu:1500 metric:1 RX packets:4620022758

Configure OpenVPN Use account, password Authentication login

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 do

Several connection-related timer resolutions in openvpn

effect-network congestion.6. Ping-timer-Rem This is not a timer. It only specifies the Ping-Restart action. That is to say, after this parameter is set, only when the peer end is actually connected, the restart operation will be performed after the Ping-Restart timer expires. This configuration parameter avoids the restart peer when both parties are deadlocked:Client restart -------------------------- server is normal, noClient reconnection -------------------------- server waits for

To teach you to deploy a remote VPN service using OpenVPN under CentOS 6.3

Today, I saw some people in the group mentioned OpenVPN, just a holiday at home, incidentally, the study of the next. 2 years ago when I was a little white when the old unit even headquarters OA used OpenVPN This client, feel pretty good, and feel that after the project should also be able to use, so Google on the internet a large number of fragmented data, toss

Strange error in OpenVPN connection

!. Tue Feb 17:33:32 60.166.98.77:5917 control CHANNEL:TLSV1, cipher Tlsv1/sslv3 Dhe-rsa-aes256-sha Tue Feb 17:33:32 60.166.98.77:5917 [] Peer Connection initiated with 60.166.98.77:5917 Tue Feb 17:33:33 60.166.98.77:5917 push:received Control message: ' Push_request ' Tue Feb 17:33:33 60.166.98.77:5917 delayed exit in 5 seconds Tue Feb 17:33:33 60.166.98.77:5917 SENT control [UNDEF]: ' auth_failed ' (Status=1) Tue Feb 17:33:34 60.166.98.77:5917 TLS error:local/remote TLS keys are out of sy

OpenVPN multi-processing-why not

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

The HeartBleed vulnerability exposes the OpenVPN private key.

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

Jumpserver+openvpn Replacement Zabbix distributed complete multi-room centralized management

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

Build an accessible network environment using RouterOS and OpenVPN

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

Solve the problem of OpenVPN

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

GUI for installing openvpn in Ubuntu gopenvpn

References: Http://ubuntuforums.org/showpost.php? P = 5865221 postcount = 19 Http://forums.boxee. TV /showthread.php? T = 6323 Note: If " ac_config_headers not found configure . for more information, see Configure . add a line to the AC ac_config_headers. After the installation is complete, run gopenvpn to start the GUI. However, before starting the connection, you need to put the configuration file used for connection in the/etc/

Use openvpn technology to configure servers

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

The OpenVPN import function in Ubuntu14.04LTS is damaged.

Several weeks ago, Canonical released Ubuntu14.04LTS. 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 to achieve the VPN connection label: UbuntuOpenVPN A few weeks ago, Canonical released the Ubuntu 14.04 LTS version. The new operating system has undergone great changes, but some problems still nee

Openvpn: An error ocurred installing tap device Solution

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

Connect two remote LAN segments based on OpenVPN

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, openvpnlollipop

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

OpenVPN multi-processing-netns container and iptablesCLUSTER

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

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