host vpn

With the gradual popularization of the network, more and more enterprises begin to establish their own branches in multiple places. However, because many internal applications of enterprises involve business privacy, therefore, how to make the branch structure securely and smoothly use these applications becomes a topic of concern to every enterprise network administrator. Generally, we can use VPN security devices to implement remote user or branch a

How to Improve VPN security As we all know, VPN (Virtual Private Network) uses tunnels to transmit data between two networks on the wide area network. Because its data is transmitted on the Wide Area Network, although the tunnel technology can provide certain security protection. For example, when data is transmitted in a VPN tunnel, data packets are encrypted

VPN, as we all know, is a virtual private network, and I am too lazy to heap up a bunch of technical terms to test your language capabilities. Simply put, it is to use a public network to achieve remote access to the private network, for example, we know that many enterprises use the Intranet, so what if employees are on a business trip or want to access the company's network? VPN can solve this problem wel

Article Title: Ubuntu8.10 configuring the VPN network and solving problems encountered. 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. The advantage of configuring a VPN network is that all virtual machines in the virtual network do not occupy external IP addresses, thu

Shandong Securities Co., Ltd. is a company operating the securities business in Shandong Province, headquartered in Jinan, in the province of the city has more than 10 sales department, and in Shanghai and Beijing has two sales department. The links between the day-to-day departments are very close, especially in relation to the headquarters of the local city divisions. In view of the characteristics of the securities industry, in order to integrate the network of local cities and towns, and red

MASQUERADE $ service iptables save $ service iptables restart Edit/etc/sysconfig/iptables. Note the following two points: a adds A line-a input-p tcp-m state -- state NEW-m tcp -- dport 1723-j ACCEPT because the default vpn is access B of port 1723 #-a FORWARD-j REJECT -- reject-with icmp-host-prohibited must be commented out, you can also change the ip address range 192.168.18 to forward. Otherwise, you c

6. This step is very simple. We recommend that you confirm that your computer can access the Internet normally. 7. Enter the host name or IP address of the VPN Server. In the test, I entered the IP address of the WAN port of the router. 8. The Wizard setting is complete, but it is not a success. 9. Find the VPN connection you created in the netw

Supporting Demo Video: http://edu.51cto.com/course/course_id-485-page-2.html In many cases, applications with asymmetric encryption are not limited to servers, but also need to be used on network devices, such as SSH, the certificate is the most typical application of asymmetric encryption. It is particularly famous for its IPsec-based VPN applications, such: certificates can be used when configuring VPN b

Set up an IPSec VPN for Strongswan in CentOS 6.3 I. Software Description IPsec is a type of Virtual Private Network (VPN) used to establish an encrypted tunnel between the server and the client and transmit sensitive data. It consists of two phases: the first phase (Phrase 1, ph1), the exchange key to establish a connection, the use of Internet Key Exchange (ike) protocol; the second phase (Phrase 2, ph2 ),

A VPN is a virtual private network that establishes a proprietary communication line between two or more enterprise intranets connected to a different place on the Internet through a special, encrypted communication protocol. The function is to establish a private network on the public network for encrypting communication. It is widely used in enterprise network. VPN gateways enable remote access through th

completed successfully. Format of Disk0 Complete 2, Upload software (Itchenyi) R1#copy tftp disk0: Address or name of remote host []? 192.168.1.100 Source filename []? sslclient-win-1.1.3.173.p KG destination filename [sslclient-win-1.1.3.173.pkg]? Accessing Tftp://192.168.1.100/sslclient-win-1.1.3.173.pkg ... Loading sslclient-win-1.1.3.173.pkg from 192.168.1.100 (via fastethernet1/0):!! [OK-416354 bytes] 416354 bytes copied in 12.288 secs (3388

Use openvpn + linux to quickly establish an enterprise VPN Openvpn introduction http://openvpn.sourceforge.net/, not much said. Openvpn can work in two modes: One is the IP Route mode, which is mainly used for point-to-point One is the Ethernet-based Tunnel Bridge mode, which is applicable to point-to-point and multi-point networks with multiple branches The configuration example described in this article is the first Topology: Lan 1: redhat9.0 two NI

Requirements for VPN Because the VPN is for the Enterprise User Service, relates to the enterprise normal operation, therefore the following from the user angle analysis to the VPN several requirements. VPN availability: That is, the established network can meet the requirements of the user's business. After the ente

enable compression Set ccp yes mppc Set ccp yes mpp-e40 Set ccp yes mpp-e128 Set bundle enable crypt-reqd Set ccp yes mpp-stateless Open The configuration of/usr/local/etc/mpd. links is as follows: Vpn: Set link type pptp Set pptp self 192.168.0.1 # Set pptp peer 2.3.4.5 Set pptp enable originate incoming outcall /Usr/local/etc/mpd. secret is the user's account and password: Jerry "11111111" Emma "88888888" Test "test" 192.168.0.254 /Usr/l

We know that there are many VPN types, such as the Windows Server series with their own VPN servers, and the installation and configuration are very simple. Today I will introduce the deployment in the log, is a VPN-Server in Linux based on the PPTP protocol. The Ubuntu system is a Debian-based release. The communication community is very active. Because of Debia

Comparison and Analysis of mpls vpn and VLAN + ACL Scope of application: VLAN is essentially a LAN technology and is suitable for LAN isolation. However, VLAN alone cannot guarantee the isolation of IP services and must be used with ACL. In this way, all business systems are in the same IP address space, which is visible to each other and not truly isolated, leaving hidden risks for network security. Mpls vpn