and stable tunnel through a chaotic public network. A Virtual Private Network is an extension of the enterprise intranet. Virtual Private Network can help remote users, company branches, business partners and suppliers to establish trusted and secure connections with the company's Intranet, and ensure secure data transmission. A virtual private network can be used for the global Internet access of increasing mobile users to achieve secure connections. It can be used to implement virtual private
Problem: PPTP is used to build a VPN Server on the Linux platform. After dial-in, the Intranet FTP is accessed. downloading files is extremely slow. When using PPTP as a gateway to access the Internet, most websites except Baidu are extremely slow to access, almost inaccessible. Solution: Add-I forward-P TCP -- SYN to the * filter table of iptables of the Linux s
and stable tunnel through a chaotic public network. A Virtual Private Network is an extension of the enterprise intranet. Virtual Private Network can help remote users, company branches, business partners and suppliers to establish trusted and secure connections with the company's Intranet, and ensure secure data transmission. A virtual private network can be used for the global Internet access of increasing mobile users to achieve secure connections. It can be used to implement virtual private
1. After the operation, we need to ensure that we have a VPN account, no users can apply for themselves. Next, we click on the WinXP computer "start" → "settings" → "Control Panel", in the Open interface, we double-click the "Network Connection" icon, and then select the left "network Connection" menu bar "create a new connection."
2. In the "Network connection type" Here we need to select "Connect to my
LinuxLowerVPNClient (p t p) Configuration
Linux: Kernel kernel-2.6.9-42.EL
You can go to the site: http: // pptpclient.sourceforge.net/
Required software:
Kernel-devel-2.6.9-42.EL (built-in system)
Dkms-2.0.10-2.fc5.noarch.rpm
Dernel_ppp_mppe-0.0.5-2dkms.noarch.rpm
The above three files are usually installed when you set up the Linux VPN Server. You can run the # rpm-Q command to view them.
(Example: # rpm-Q dkms)
Install pptp vpn under CentOS7
Install pptp vpn in Centos 7
1. Check whether the system kernel supports MPPE.
Modprobe ppp-compress-18 echo OK
If "OK" is displayed, MPPE is supported.
2. Check whether TUN/TAP support is enabled.
Cat/dev/net/tun
Cat:/dev/net/tun: The file descriptor is in the error
to access the cloud services ECS, RDS, OSS Intranet, can be set to the intranet IP address, if the local need to access the public network through the VPN, you can set to the extranet IP address Add a forwarding rule, use the following command to save the settings and restart the firewall [root@test ~]#/etc/init.d/iptables Save [root@test ~]#/etc/init.d/iptables restart 5, restart PPTP service [root
Many of my friends will not install vpn in CENTOS, because it is a dizzy task for cainiao to install VPN, especially openvpn. However, installing pptp is a little simpler, there are a lot of tutorials on installing pptp on the Chinese site, but they are complicated. I found a one-click installation solution for pptv
In this tutorial we'll talk about using an Apple phone to set up a PPTP-style flip wall, test the phone is iphone4s, the system is IOS7.1.2, and other phone models and system versions are similar.
1. First, we open the iphone into the desktop, find "settings" into
2. In the Settings menu to find "General", click to enter
3. In the common menu interface to find "VPN" click to enter
4. Enter
In enterprise applications, VPN should be the most used one. In particular, the company has a division of the case, visible VPN in the enterprise application is how extensive. Of course, there are many ways to implement VPN functionality, the company can buy VPN hardware devices, or you can use a dedicated Cisco router
PART I
========================================================== ==============
This article is based on ubutnu to install,
Previous achievements, the establishment of freeradius and mysql (http://www.cnblogs.com/klobohyz/archive/2012/02/01/2334811.html)
Continue to combine pptp components to verify the form VPN, and start to install pptp below
apt-get install p
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
Cracking Point-to-Point Tunneling Protocol (PPTP) encrypted VPN (1)
PPTP (Point to Point Tunneling Protocol) is a Point-to-Point Tunneling Protocol. This protocol is a new enhanced security protocol developed on the basis of the PPP protocol. It supports multi-protocol Virtual Private Network (VPN) and can pass the pa
One-click to build PPTP VPN scripts
Download Centos6.2 a key to build a PPTP VPN script
The code is as follows
Copy Code
#wget http://www.hi-vps.com/shell/vpn_centos6.sh#chmod a+x vpn_centos6.sh
Install Centos6.2pptpvpn script #bash vpn_centos6.sh
After the execution there are 1
when there is no problem. I have my hands on the Interserver VPS in use, so just before writing the tutorial successfully, solid released this tutorial. (Note: Originally wanted to use the OVZ scheme, found that OVZ does not support Tun, so switch to the KVM architecture)
The first step is to check the environment
Let's take a look at my installation environment:
I'm using a KVM architecture, with the CentOS 5 version of 64 bits installed.
If we default to install the system is
Problem: on the linux platform, a vpn server is built using pptp. After dial-in, the intranet ftp is accessed. downloading files is extremely slow. using pptp as a gateway to access the Internet, the access speed of most websites is extremely slow except for baidu, almost inaccessible. Solution: Add-IFORWARD-ptcp -- syn-ippp +-jTCPMSS -- set-mss1356 or
Problem:
O
The purpose of this is for the company's research and development department to visit foreign websites through Hong Kong's servers, just mark it, maybe later, and not spend any more time studying it.
CentOS 5.x/6.x under PPTP VPN server installation
1, installation of related software packages
32-bit version:
# yum install-y PPP Libpcap iptables
# wget http://poptop.sourceforge.net/yum/stable/packages/
Step 2: Click the apple icon in the upper left corner and select[System preference settings ...]
Step 2: Click[Network]
Step 2: Click[+ ],Interface Selection[VPN ],VPN Type Selection[PPTP ],Service name:Default (customizable)And then click[Create]
Step 2: Set[Server address:Wangkangle.com], [Account Name (Acco
Build a VPN using PPTP on CentOSCentos 6.3 64bit used in this experiment. 1. Check System compatibility before installation. Check the kernel MPPE patch to see if the kernel supports mppe: modprobe ppp-compress-18 echo OK if OK is displayed, it indicates that the kernel has mppe support. 2. to install VPN, you need to install three components: ppp,
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.