openvpn centos

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Test the OpenVPN encrypted tunnel on a single machine and solve the problem

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

OpenVPN Routing Problem 1

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

Implementation of full link layer processing for openvpn and other IP layer VPN

It would be nice if openvpn can also achieve the transmission mode VPN. If the VPN product based on openvpn can be connected to the user's network environment as an expensive network cable, it would be nice to automatically capture the traffic of interest; how nice is it to configure only one IP address to work without configuring any route. We know that openvpn

Install OpenVPN on CentOS7

The command is very simple, but there seems to be no information on the Internet, only the information below RHEL6. Directly paste the command: 12345cd ~ 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.rpm rpm-Uvh openvpn

How to install openvpn in RedhatLinux enterprise 4

I. openvpn needs to be installed in RedHatLinux enterprise 4. Easy to install, high platform compatibility, and no need to compile the kernel. (I'm disgusted with re-compiling the kernel software); 2. I can penetrate the NAT Intranet without limits. (This is critical because my server is currently in school, in our lab, we use NAT layer by layer.) due to the above two restrictions, I have tried pptpd and opensvn in many existing solutions. Pptpd is an

Several connection-related timer resolutions in openvpn

There are several timers in openvpn. These timers limit the maximum duration of some specific behaviors of openvpn. If they are not set properly, they may cause inexplicable disconnection problems, however, how to set these counters does not have a general solution. In certain cases, they cannot be too large or too small. 1. Ping This timer defines the interval between sending ping packets (in case of upper

Strange error in OpenVPN connection

Channel MTU parms [l:1542 d:138 ef:38 et:0 EL:0] Tue Feb 17:33:29 60.166.98.77:5917 Data Channel MTU parms [l:1542 d:1450 ef:42 eb:135 et:0 el:0 AF:3/1] Tue Feb 17:33:29 60.166.98.77:5917 local Options hash (ver=v4): ' 530fdded ' Tue Feb 17:33:29 60.166.98.77:5917 expected Remote Options hash (ver=v4): ' 41690919 ' Tue Feb 17:33:29 60.166.98.77:5917 tls:initial packet from 60.166.98.77:5917, sid=16dd6496 46a192d4 Tue Feb 17:33:31 radius-plugin:foreground thread:new user. Tue Feb 17:33:32

Use phpmailer to implement simple openvpn user authentication. code _ PHP Tutorial-php Tutorial

Use phpmailer to implement simple openvpn user authentication. Now everyone has countless accounts and passwords, which cannot be remembered. The principle is to complete authentication through the mail server pop service, or use SMTP and add SSL to improve security; password setting is not required. now everyone has countless accounts and passwords, which is hard to remember. The principle is that authentication is completed through the pop service o

Use phpmailer to implement simple openvpn user authentication. code _ PHP

Now everyone has countless accounts and passwords, which cannot be remembered. The principle is to complete authentication through the mail server pop service, or use SMTP, and add SSL to improve the security of OpenVPN. Now everyone has countless accounts and passwords, which cannot be remembered. The principle is to complete authentication through the mail server pop service, or use SMTP and add SSL to improve security; this eliminates the trouble

The program of extracting tap-win32 virtual network card from openvpn and making exe

Some time ago, the virtual network card installation was required.ProgramSo in the website to collect some, find to find, did not see a separate installation, most of the said to install openvpn, and then only install the virtual network card of the tap-win32. In this case, the program of openvpnis used to run tapinstall.exe install oemwin2k. run the command line INF tap0x01 to install the tool (these files can be found in the

How to modify the OpenVPN protocol

I would like to ask you how to modify the OpenVPN protocol. a project needs to modify the original OpenVPN protocol to cope with DPI analysis. could you please discuss your ideas? thank you! Reply to discussion (solution) In this regard, there are a lot of existing solutions and patches on the Internet, is generally added to protocol obfuscation and encryption, you can refer to TorProject ObfsProxy (

Install an open-source VPN Server on CentOS 7

Install an open-source VPN Server on CentOS 7 One of my biggest concerns when I access the Internet is how to ensure the security and privacy of my data. While searching for answers, I found many anonymous methods, such as using a proxy website. However, third-party services cannot be fully guaranteed. What I need is a software that allows me to install and run on my own, so that I can ensure that only I can access data. What is this software called?

Build a VPN server in CentOS to connect external networks to internal networks

Objective to build a VPN server and connect the external network to the internal network. Environment server: centos6.20.client: WindowsXP server configuration # Disable SELinux Purpose Build a VPN server to connect the external network to the internal network. Environment Server: CentOS 6.2 32 Client: Windows XP Server Configuration # Disable SELinuxsed-I '/^ SELINUX \ B/s/=. */= disabled/'/etc/selinux/configsetenforce 0 # install EPEL

How to modify MySQL coding methods in CentOS (20)-CentOS 6.4-how to install and configure Mysql Databases in CentOS (13)-CentOS 6.4

In the previous article, I have recorded the process of installing mysql under CentOS (CentOS for Linux (13)-installation and configuration of Mysql database under CentOS ), however, when we try to back up data in the database or import SQL files to our database, we may encounter Encoding Problems, when installing mysql in windows, we can select the encoding meth

CentOS 7 Setup Boot service, add custom system services CentOS 7 shutdown Firewall CentOS 7.2 CentOS 7 64-bit download

CentOS 7 Setup Boot service to add custom system services Create a service file Save Directory Set up boot from Other commands 1. Create a service file File path vim /usr/lib/systemd/system Service file Content [Unit]Description=nginx - high performance web serverAfter=network.target remote-fs.target nss-lookup.target[Service]Type=forkingExecStart=/usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.confExecReload=/usr/local/

Build a VPN Server in CentOS to connect external networks to internal networks

Build a VPN Server in CentOS to connect external networks to internal networks Purpose Build a VPN Server to connect the external network to the internal network. Environment Server: CentOS 6.2 32 Client: Windows XP Server Configuration# Disable SELinuxsed-I '/^ SELINUX \ B/s/=. */= disabled/'/etc/selinux/configsetenforce0 # Install the EPEL source (the default yum source does not have

Rapid deployment of temporary OPENVPNAccessServer in centos

Download OpenVPNAccessServer: openvpn.netindex.phpaccess-serverdownload-openvpn-as.html wgetswupdate. openvpn. orgasopenvpn-as-1.8.3-CentOS5.i386.rpm installation: rpm-ivhopenvpn-as-1.8.3-CentOS5.i386.rpm run Download the appropriate version of OpenVPN Access Server: http://openvpn.net/index.php/access-server/download-openvpn

Install PHP framework under CentOS Phalcon centos6.5 php centos view PHP version CentOS upgrade ph

First open GitHub's Phalcon source address: Https://github.com/phalcon/cphalcon There are installation steps, as follows 1. Installation tool: sudo yum install php-devel pcre-devel gcc make 2. Download Phalcon Source: Git clone git://github.com/phalcon/cphalcon.git, after download, you can check your desired version of Phalcon by using Git. 3. Go to the relevant subdirectory to install: CD Cphalcon/build.sudo./install You may experience the following installation failure problem *php version to

Centos+nginx installation configuration and common error handling CentOS 7 nginx PHP 6 nginx CentOS Build Ngin

One, download wget http : / / Nginx . org / Download/nginx - 1 . 9 . - . Tar . GZ Two, unzip TAR-XVF nginx-1. 9 . - . Tar . GZ Three, the configuration into the decompression directory . / Configure - - prefix = / usr/ Local / Nginx -1.9.14 Four, installation if there is no error, execute the installation command Make Make install 5, Site Configuration Enter/usr/local/nginx-1.9.14/conf Configure nginx.conf Six, common mistakes 403: instance, the site files are uploaded by Java users, extracte

When installing CentOS 6.9 in VMware 12: The CentOS disc is not found in any of your drives. Please insert the CentOS disc and press OK to retry

Error: not found in any of your drives. Please insert the CentOS disc and press OK to retryReason:The status of the optical drive is disconnected due to the use of a VM and the use of the disc detection feature.Workaround:Primarily at the beginning of the installation, the following options are available:If the unfortunate choice is OK, then directly to the lower right corner of the optical drive icon select Connect, as follows:When installing

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