Build PPTP of VPN Server and vpnpptp
First milestone: Check whether the system supports ppp
[root@m01 ~]# cat /dev/pppcat: /dev/ppp: No such device or address
If the above prompt is displayed, the ppp is enabled and the pptp service can be set up normally. If there are other prompts such as Permission denied, you need to go to the VPS panel to see if there is any enable ppp function switch.
Second milestone
In March 1, the gateway server of the lab was uncertain blocked. After checking the line and making a new crystal head, it didn't help. So I had to use the 10 m network port on the lab floor. The turtle was so horrible.Today, they only learned from the computing center that the gateway server had been banned because of viruses. Although the original gateway Server
Most of the time, we hope that we can still access files on the company's servers at home for remote office. If you have a public IP address and a valuable VPN Router, you can meet your needs. Unfortunately, some small companies do not have public IP addresses or VPN routers ). Fortunately, with the help of QQ's powerful functions, we can also create a VPN
Build a vpn code server in CentOS
I. Preparation
1. First, you must buy a foreign server. If you only want to experience the Download force process, we recommend a $3.99 centos6 server. Purchase URL: budgetvm.com.2. Get the corresponding configuration and connect to the server
RRAS in Windows Server 2003 supports the single NIC VPN feature, and its deployment is simple.
First, enable RRAS.
Open RRAS in Windows Server2003 's administrative tools and enable it.
If your system does not turn off the Windows Firewall and Internet Connection Sharing service is not turned off, you will be prompted to close it before you click "Configure and Enable Routing and Remote Access" to cont
Click Make me invisible can be connected, pay attention to the connection process will cause broken nets, QQ need to log in again.Need to register to pay to automatically follow the system to start, automatically reconnect, automatic prompt connection interruption, but also can, at least more than a lot of other means good (for example, no edge and other software), VPN is a safe way.
Smarthide News free offer for Chinese users A new
It's mineOperating Environment: Aliyun Hong Kong node Cloud Server , operating system:CentOS 6.3 64-bitThe term explanation: PPTP is one of the VPN server types, PPP is a Data Link layer protocol, iptables is an IP packet filtering system.Body 1server-side installation software 1.1First installPPP, command: [Root@kuro ~] #yum install-y PPP iptablesHint complete
Existing MySQL database server, set up intranet access, local MySQL client connection must be through the VPN virtual network to Connect. Now there is another apache, PHP server needs to connect to MySQL server data table through php, ask how to implement
VPN Client Connection Linux server access slows down how to solve
There are three ways to solve the problem:
Method One: Edit pptpd source code, increase MTU;
Method Two: Use a script to increase the MTU after the PPTP interface is connected to the up;
Method III: Do not use MPPE encryption;
The first, although fundamentally solves the problem, but because the level problem gives up; the third becaus
primary configuration file needs to set the VPN server's local address and the address segment assigned to the client, so just manually appending the localip and REMOTEIP two lines in the main configuration file even if the configuration task is complete. The account file holds the authentication information required by the VPN client dial-in, in the form of:
User Name service password assigned to user's
Need VPN first you want to make sure that your server has a service to start.
1.window Self-brought firewallWindows Firewall/internet Connection Sharing (ICS) stopped
2. Remote Registry ServiceRemote Registry Open
3.server ServiceServer Open
4.route Routing ServiceRouting and Remote Access opens
5.Workstation Service Open
After the service that should be op
WIN Server 2003 Configure the VPN server tutorial,
Steps/Methods
Click Start menu, select All Programs--admin tools---Selection
Open
Pop-up Server Setup Wizard, select
Select the local connection to do the internal network card, I set here is the local connection 2 for the Internal network card
Here you can ch
Of course, the use of VPN is much more than this, such as game agent and so on. Here's a detailed tutorial on erecting a VPN under windows. Hope to be helpful to the friend you need.
The first is preparation: Windows has its own firewall (Windows Firewall/internet Connection Sharing (ICS)) to stop (or allow 1723 ports to pass); Remote Registry Service (remotely Registry) and open, the
I have a lot of friends because the working relationship is often mobile office, so the transfer of information, and the company information in a timely manner or tired to open a company or home computer to see movies and so on application appears very headache. This application means secure network communication over the Internet, sharing resources. and want to achieve this kind of demand, actually already had the best way to--vpn.
A
, and easy to scale
Disadvantage: Large delay
Devices that can implement a VPN:
Firewall (preferred)
Routers (Weak protection)
Host OS (Windows----Routing and Remote Access Linux----IPSec, ISA)
Here we use the host of Windows Server 2003 to implement this VPN network interconnect. This experimental environment is implemented in virtual machines, which requi
Description
RouterOS Server ip:172.31.101.80
RouterOS version: RouterOS V6.15
Demand:
To configure the PPTP VPN server on the RouterOS server, the PPTP VPN Client dial-in network segment is: 172.31.101.60-
172.31.101.79
. VPN can be understood in this way, Linux clients use a virtual network device PPP0 (Windows clients can also be understood as a VPN virtual network card), connected to the server's virtual networking device Ppp0, so that the client joined the server-side ppp0 on the network. Localip is the IP address that can be assigned to the
are encrypted with IPSec. An internet-based PPTP server is a VPN server that uses the PPTP protocol, one with an interface on the Internet and another interface on an intranet.
PPTP connection process and tunnel maintenance
The PPTP control connection is established between the PPTP client IP address and the PPTP server
Most of the previous introduction, as well as the introduction of various online, most of them are on the Win7 system download to establish VPN connection, but today's small series to introduce this technique is not the same, how to set up a VPN server in the Win7 system, it should be to set up a virtual network, let others to connect you, Instead of being active
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