I. Overview:
Test the transparency of the Site-to-site VPN and the role of the wall, and through DHCP and OSPF to verify how the transparent wall to put the strategy.
Two. Basic ideas:
A. The VPN for the transparent wall is only for the management wall, that's all.
The b.arp can be automatically crossed to the transparent wall, so the test can see that although ping different transparent walls separated
order number of IPSec security policies for both devices.
10.IPSEC security Policy applied on the wrong interface
Execute commands on ngfw_a and ngfw_b on the display IPSec policy [brief | name Policy-name [seq-number | extend-acl]] to see if IPSec security policy is applied on the correct interface.
11.SA Timeout configured too small
If the user disconnects frequently, the reason may be that the IKE SA time-out is configured too small. The IKE SA timeout period defa
Recently, I have seen many vpn things and found that many manufacturers are paying attention to the implementation of Dynamic IP address-based vpn for small and medium-sized enterprises. Of course, cisco is no exception. In its ios12.3 (4) T, it began to support dynamic Address Resolution of vpnpeer. Now, in CiscoIOS12.3 (4) T, VPNpee is created based on the DNS name.
Recently, I have seen many
The VPN is a virtual private network. the private network can be understood as an enterprise Intranet or a LAN. why is the word "virtual" added? It refers to the establishment of a VPN through the public network, that is, through the public network to establish one or more private network links, so as to connect offices or individuals in different regions
The VPN
I. Proposal of requirements
With the increasing scale of enterprises, setting up branches and offices throughout the province and even throughout the country, enterprise informatization is a powerful tool for enterprises to compete in the market, ERP and OA automation systems are essential to achieve smooth flow of information such as people, finance, and things in enterprises. In the past, the use of leased line networking in China Telecom is very expensive and will bring a heavy burden to ente
Inter-as vpn analysis RFC2547bisOption 10A: Back to Back VRFOption 10B: MP-eBGP between ASBRsOption 10C: multihop MP-eBGP between Route-ReflectorsOption AB: an enhanced mix from option A and B and developed by CiscoOption 10A: Back to Back VRF when the number of VPN connections and the number of VPN routes are small, you can use the cross-origin
Original link: http://peopleyun.com /? P = 488
To access multiple App Engine videos on a well-known video website, I set up a VPN based on PPTP on linode. This article will first introduce some information about PPTP VPN, next, we will introduce the creation steps.
PPTP VPN
PPTP, short for "Point-to-Point Tunneling Protocol (point-to-point tunnel protocol)"
Linux learning --- build a VPN Server and ubuntuvpn under Ubuntu
Build a VPN Server in Ubuntu
What is VPN? It is a virtual private network. The function is to establish a private network on a public network for encrypted communication.
Applicable scenarios:
1. Your company network is in a LAN and cannot be accessed from outside. One day you are out on vacation an
Application Introduction
For enterprise users, it is necessary to provide a secure tunnel to the headquarters network for business travelers and remote workstations so that the terminal can access internal resources. With PPTP VPN, terminals can access the Internet via broadband, private network, 3G, WLAN and other access modes, use VPN client dialing, establish a safe tunnel with headquarters r
LAN on VPN Ethernet access technology in the detailed, broadband popularization, often face the problem of VPN Ethernet access technology. So, today I am going to introduce VPN Ethernet access technology settings skills, I hope this article can teach you more things, for everyone's life bring convenience. Ethernet has become the most widely used network technol
The previous example deploys a remote access VPN and deploys an instance of a site to the site below:
The site to site VPN connection is two networks. Realize the mutual exchange of computers within two networks. By default, a Site-to-site VPN connection is a demand-dial connection and is established only if network traffic must be forwarded over this interface
Recently, global growth-oriented commercial network experts and wireless network pioneer NETGEAR announced the launch of ProSafe Wireless ADSL modem VPN Firewall Router (DGFV338. DGFV338, a small and medium-sized enterprise customer, is a compact, fully functional, six-in-One Security dedicated device. It has the features that NETGEAR's DG product line has failed to provide.
Recently, global growth-oriented commercial network experts and wireless netw
Linux uses pptpconfig to connect to the vpn Server-Linux Enterprise Application-Linux server application information. The following is a detailed description. If it is in Windows XP, you can directly connect to the vpn Server by using the XP dial-up software. The configuration is very simple, but there is no default vpn Client software in linux, this makes it dif
Configure vpn in ubuntu to support Internet access
The company's development environment is LAN, and there is no problem in the company's internal use, but sometimes it does need to be used outside, such as at home, on a business trip, at this time you need to configure a vpn connection to the company's intranet. The vpn configuration is very simple, but sometime
This article attempts to describe what a VPN tunnel is in simple language and explains how VPN provides strong anonymous and privacy protection.
The operation performed by the VPN tunnel is called Data encapsulation. To understand what encapsulation is, let's make a simple analogy. If you are a political refugee living in another country, the secret of your place
Build a VPN on CentOS
Linux: CentOS
1. Check the server for necessary support. If the check results do not support these features, pptp cannot be installed. Command:Modprobe ppp-compress-18 echo OKAfter this execution, "OK" indicates that the execution is successful. However, another check is required. Enter the following command:Cat/dev/net/tunIf the following information is displayed, ticket can be activated for vps vendors if not supported. Most v
Topology:
Note: The company's Intranet environment requires domain support;
The front-end two VPN servers are Linux operating systems;
A green line indicates the physical link of the network environment;
Red indicates the authentication method;
# When a user requests a VPN connection, use the domain account to log on. DNSPOD determines whether it is a China Telecom or a China Unicom (China Netcom) Resource
First, the question of the proposedAs shown in Figure 1, In the unit has a private address for the 192.168.0.0 network, the computer is through ADSL sharing access to the Internet, a computer in the home also through ADSL access to the Internet, now want to safely at home at any time to visit the unit 192.168.0.2 this machine, many ways to achieve, the most secure is through Vpn.Second, what is a VPNIn this case, it is now the unit 192.168.0.2 the VPN
System environment: Windowsserver2008r2enterprise (fully installed)1, Configuration preparation work1.1, click on the "Start" to the right "Server Manager"1.2, click "Role" in "Server Manager"1.3, in the "role" click on the right to select the translation "Add Role", click "Next"1.4, in the "role" select "Network Policy and Access Services", click "Next"1.5, click "Next"1.6. Select the Routing and Remote Access service1.7, click "Install"2. Configure the VPN
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