Set up the simplest VPN System in linux-Linux Enterprise Application-Linux server application information. The following is a detailed description. This article is based on the actual application of our company, but it can be applied to many places with a slight modification. The system has been running for two months and proved to be safe, reliable, and stable...
My company is located in Beijing, but the main equipment is located in a major IDC of Nanjing Telecom. There are two of our PIX525UR there (with Failover), which implements strict access control, therefore, in order to facilitate the company's mobility, business trips, and staff working at home, we had the idea of building a VPN system. so that users with corresponding permissions can connect to the company's VPN Server through an encrypted tunnel supporting MPPE128 from their personal PC, and then forward data to our company's application network in Nanjing IDC through the VPN Server, the connection is also an IPSEC-based secure VPN tunnel. this ensures the security and convenience of all application requirements of our company.
1. hardware resources: one server
One PIX 525UR Firewall
2. Software resources: Mandrake 9.2
Kernelmod
Pptpd
Super-freeswan
Iptables
Public IP Address
Note: After I tested several LINUX systems (including Redhat, SuSE, Mandrake, and Astaro), I feel that Mandrake is the simplest and safest platform.
The installation process is as follows:
1. Operating System installation:
There are no special requirements for the installation process. When selecting and installing components, the installation tool is not selected except for development tools, mainly for security considerations.
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