openvpn openvpn

I. INTRODUCTION to OpenVPN is a software package used to create a VPC encrypted channel. it was first written by JamesYonan. 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, OpenVPN can be used in

side):Nic 1:10.20.0.128 (eth0, no internet access)Nic 2:192.168.1.52 (eth1,internet access)Host B (client):Nic 1:10.20.0.129 (eth0, no internet access)Host a operation:Turn on the iptables forwarding function:Sysctl-w net.ipv4.conf.default.accept_source_route=1 sysctl-w net.ipv4.conf.default.rp_filter=0 SYSCT L-w net.ipv4.ip_forward=1To configure iptables NAT rules:Modprobe iptable_nat iptables-t nat-a postrouting-s 10.20.0.0/24-o eth1-j MasqueradeDelete iptables deny forwarding rule:iptables-d

1. OpenVPN relies on a virtual TUNTAP device to implement SSLVPN. Therefore, the kernel must support the TUNTAP device module. This configuration option is located in the 2.6.x kernel and is in the DeviceDrivers-Networkdevicesupport menu. It is called UniversalTUNTAPdevicedriversupport, in the standard kernel 1. OpenVPN implements ssl vpn Based on Virtual TUN/TAP devices. Therefore, the kernel must support

Create a wireless route for Raspberry Pi OpenVPN is a private protocol and requires proprietary clients. Therefore, it is difficult to use OpenVPN on Android (CM9 supports OpenVPN), iOS, and WP8. Combining Raspberry Pi and OpenVPN to build a soft AP can easily solve these problems. Why is this combination selected? Ra

1, the VPS (server) on the operation as follows The code is as follows Copy Code Mkdir-p/root/software/vpnCd/root/software/vpn # Download Packageswget http://www.oberhumer.com/opensource/lzo/download/lzo-2.05.tar.gzwget http://swupdate.openvpn.net/community/releases/openvpn-2.2.1.tar.gz # Decompression and InstallationTar zxvf lzo-2.05.tar.gzcd/root/software/vpn/lzo-2.05./configureMakeMake install Tar zxvf

VPS. There are some minor changes based on your own experience:1. install apt-get install openvpn udev lzop2 and use easy-rsa to generate a server certificate. Copy the configuration file required by OpenVPN to/etc/openvpn:Cp-r/usr/share/doc/openvpn/examples/easy-rsa // etc/openvpn/ Production CA certificate:Cd/etc/

router. When the indicator of the router starts to flash fast, it indicates that the security mode has been entered.3. The security mode does not load any configurations. Therefore, you need to connect directly and connect to the vrotelnet through telnet 192.168.1.1.4. Mount the root partition: mount_root5. Erase the previous configuration: firstboot6. Set Password: passwd root7. Restart: reboot-f Then you can re-start the configuration. If an error occurs when the configuration is erased throu

entered the safe mode3. Safe mode does not load any configuration, so you also need to connect the router via Telnet 192.168.1.1 via the first mentioned method4, Mount root partition: Mount_root5, Erase the previous configuration: Firstboot6. Set Password: passwd root7, restart: reboot-f You can then restart the configuration, if the process through the Firstboot erase configuration encountered errors, can be openwrt in the way to brush the machine to solve. Prepare a U disk I use only 2MB s

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 source (default yum source does not have

Build a VPN Server to connect external networks to internal networks StatementAuthor: Last Night starsBlog: http://yestreenstars.blog.51cto.com/This article was created by myself. If you need to reprint it, please indicate the source. Thank you for your cooperation! 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/conf

Build a server on the Intranet to connect to the Intranet from the Internet Build a server on the Intranet to connect to the Intranet from the Internet EnvironmentServer: CentOS 6.7 32-bitClient: Windows XP Server Configuration# Disable SELinuxSed-I '/^ SELINUX \ B/s/=. */= disabled/'/etc/selinux/configSetenforce 0 # Install the EPEL source (the default yum source does not have openvpn and easy-rsa software packages)Rpm-ivh http://mirrors.ustc.edu.cn/

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? It is called VPN service, short for virtual

application, such as OpenVPN, is a good open-source software. Our products provide PPTP and OpenVPN applications. PPTP is mainly used by users who often go out for mobile or home office work; openVPN is mainly used for non-stop on-demand VPN connections between companies in different regions, such as ERP applications in enterprises.OpenVPN allows you to use the

Took some time to study the next ktls, which stems from a problem with colleagues, that is, the HTTPS server today and the SCP command to transfer local files, can not use the Sendfile system call!This topic reminds me of a lot of old colleagues, in order not to harass them, in this article I will use only we know the nickname.I regret that I did not think of a way to let HTTPS/SCP support sendfile/splice/tee call family, I regret because this is more than O