A vps host (or VPS) is a virtual server that uses virtual server software to create multiple isolated small servers on a physical server, each VPS has its own operating system, independent space, independent memory, and independent CPU resources. It can independently execute programs and system configurations, its operation and management, and its independent servers.
Virtual Private Server (VPS) is used to create multiple isolated small servers on a physical Server, each VPS has its own operati
Virtual Private Network (VPN) refers to the technology for establishing a Private Network on a public Network. It is called virtual network, mainly because the connection between any two nodes of the VPN network does not have the physical link from the end to the end required by the traditional private network, but is built on the network platform provided by the public network service provider.In the past
I. Main VPN technologies in Linux
1. IPSecInternet Protocol Security)
IPSec is a perfect security standard for IETFInternet Engineer Task Force. It combines several security technologies to form a complete system, which has received the attention and support of many vendors. Data Encryption, authentication, and integrity check ensure the reliability, privacy, and confidentiality of data transmission.
Advantage: it defines a set of standard protocols f
I. Requirements
According to the business development needs, the US branch of the company connects to the Hong Kong data center through vpn dialing. the dialing client serves both as the vpn Client and also as the linux gateway. Currently, there is only one server, I am afraid that I will not be able to contact Hong Kong in the United States after it becomes a machine, so that I can configure its high avail
One of my customers has a VPN which I 'd like to access. they provided me with a copy of the Cisco VPN Client for Linux, and a "PCF" configuration file for the client. here's what I had to do to get the Cisco VPN Client working in Linux-and it does work just fine.
First we make a directory to put the bits and bobs in
alan@hactar:~$ mkdir ciscoalan@hactar:~$ cd ci
If you are engaged in development, you will inevitably enter and exit the wall. Although VPN is good, it will lead to a very slow access to domestic resources if you export all the traffic to the VPN exit. Brother Chi Jianqiang mentioned using route tables to solve this problem in the blog VPN-Great Wall inside and outside, but Yu Shaoshan. But the Great Wall is
The VPN device logs syslog To the BSD server-Linux Enterprise Application-Linux server application information. The following is a detailed description. 1. Set the syslog parameters of the VPN device. I use this VPN Device of Beijing Power. Other network devices are not very different.
2. After configuring the VPN, tc
Http://www.boofee.net/bigfee/read.php? 976Modify the Windows rras vpn pptp service default port number through the Registry
The default port number used by the first-layer tunnel protocol PPtp of VPN (Virtual Private Network) is TCP 1723, which is a standard, that is to say, whether it is the VPN service provided by Microsoft Windows Server or other systems or ha
-----------------------
Openvpn is an open-source VPN software used on LINUX gateway servers. as its name implies, openvpn is used to connect a secure virtual private channel, allowing users to remotely work and obtain intranet resources.
The software can be used across platforms in Linux, xBSD, Mac OSX, and Windows. openssl is used as the encryption library and the encrypted certificate or user name/password is used for identity authentication, is a
Tags: VPN centos linux PPP PPTPWhat is a VPN? VPN is a virtual private network, its function is to establish a private network on the public network, to encrypt communications.The VPN gateway enables remote access through the encryption of the packet and the conversion of the destination address of the packet.
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 choose
Click Next and click Finish
Installation Complete
To test a VPN connection:
Righ
Tags: keychain requires PPPoE technology HTTP app fixed ENC deny1. networking RequirementsThe MSR V5 Router uses PPPoE dialing method to surf the Internet, IP address is not fixed, the MSR V7 router uses fixed IP address to surf the internet, and two devices use Savage mode to establish IPSec VPN to protect the traffic of intranet exchange.2. Configuration Steps1) MSR V5 router# Configure an Access control list that defines the traffic that subnets 1
Installing PPTP server Yum Install Pptpd-yEdit Vim/etc/ppp/chap-secretsJoin a line User name pptpd Password *Start pptpd Service PPTPD StartTry to connect to the client, establish a PPTP connection, remember to go to advanced settings, open use MPPE encryption, or not even Even after, can't surf the internet, first disconnect, behind still have work to do. Set VPN IP segment echo "Localip 192.168.0.1" >>/etc/pptpd.confecho "Remoteip 192.168.0.2" >>/et
1. We find our own VPN connection and then right click on "View Connection Properties" in the pop-up right-click menu.
2. Then we go to the "VPN Connection Properties" dialog box interface and click "Network"-"IPV4"-"properties" as shown in the figure below.
3. Then we click on "Advanced" as shown in the following figure:
4. In the advanced panel, we will cancel the "use of the default gateway on t
To install the PPTP client and MPPE encryption module:
The code is as follows
Copy Code
OPKG UpdateOpkg Install PPTPOpkg Install Kmod-mppe
Add account number and password to config file:
The code is as follows
Copy Code
Cat/etc/ppp/chap-secrets#USERNAME PROVIDER PASSWORD IPAddressHaiyun.me VPN "haiyun.me" *
New dial-up configuration file:
The code is as follows
Workaround:
1, at the same time press the WIN+R key combination (Win is alt next to the Microsoft icon key), in the running window input regedit.exe, click OK;
2, in the registry to the left of the point open: hkey_local_machine\system\currentcontrolset\services\tcpip\parameters;
3, select Parameters, click on the Menu "edit", a new "multiple string value" item, and then named ReservedPorts;
4, double click Create "ReservedPorts", enter 1723-1723 in "Numerical data", click OK, then close R
My Vyatta operation has been very good, with Ros and Cisco do tunnel connected to Vyatta run OSPF used to turn the wall, the effect has been good. When you use Windows to connect to a VPN, however, you often open the page timeout, but the ping is normal everywhere, so you suspect an MTU or MSS problem.
After several twists and turns, when the Web page timed out, a large number of exceptions occurred in the Vyatta log:
21:02:39 Xirang kernel: [483817
The experimental topology diagram.
Extranet access to corporate intranet files via VPN
VPN in the virtual private network clients use a specific tunnel protocol, with the virtual private network server to establish a connection, virtual private network can help remote users easy access to the company's files trusted secure connection, and ensure data transmission.
Advantage 1: Reduce costs
Advantage 2
VPN is English "virtual private network" abbreviation, namely "Fictitious private network".
Virtual Private network is based on the real network (or physical network) on the basis of a functional network, or to say that is a private network of the network mode, referred to as VPN. It provides the user with the function of the general private network, but it is not a separate physical network, it can also b
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.