support 20-30 users, and if hardware acceleration technology is used, 100 or so users can be supported. The CISCO2600/3600 series VPN router can support around 100-500 users. For VPN applications with more than 500 users, the CISCO7XXX series VPN router is recommended.
Can 13.Cisco VPN software support multiple protoc
."
In the third step, in the Routing and Remote Server Setup Wizard, select Custom Configuration.
The fourth step is to check VPN access and NAT and Basic Firewall.
Fifth step, click "Finish". System prompts "Do you want to start a service?" ", select Yes."
The sixth step, then start configuring Routing and Remote Access, we first click on the local service next to the + button, the le
a remote location.
Note: the VPN server must be a computer with an Internet IP address. if the IP address belongs to 10.0.0.0 ~ 10.20.255.255, 172.16.0.0 ~ 172.31.255.255, 192.168.0.0 ~ The three IP address segments 192.168.255.255 do not have the conditions for building a
, selected as "optional encryption ( can also be connected without encryption ) ". We can connect the VPN assigned IP address on our server
[[Email protected] ~]# IP add
1:lo:
Link/loopback 00:00:00:00:00:00 BRD 00:00:00:00:00:00
inet 127.0.0.1/8 Scope host Lo
INET6:: 1/128 Scope Host
Valid_lft Forever Preferred_lft Forever
2:eth0:
Link/ether
the configuration in/ETC/PPP/OPTIONS.PPTPD; logwtmp indicates that the WTMP log is used.
The next two lines are the more important two lines. 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
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
clicking the next step, the VPN server is set up and the VPN server is created after clicking the Finish button.
Allocation settings for the IP address portion of the VPN server
Nowadays, there are already a lot of computer operating systems, and Linux is becoming more and more popular in today's society. Do you know about Linux systems? Are you an application of Linux? This article describes in detail the VPN Server Configuration in Linux, which plays a role in learning the VPN Server Configu
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 syst
/pptpd-1.4.0-1.el6.i686.rpmRMP-UHV pptpd-1.4.0-1.el6.i686.rpmGo to this PPTPD VPN server installation complete
PPTP VPN Server configuration
Configuring PPTP VPN IP addressesEdit/etc/pptpd.conf settings:
Vim/etc/pptpd.conf
Find 39 lines logwtmp with the # Note (see also:
support from the PPP and iptables software. Here, yum is used for installation,
Enter this command: YumInstall-y PPP iptables
AveragePPP is installed by default in centos.
2. Install PPTP
Installation Package http://poptop.sourceforge.net/yum/stable/packages/Select the latestWget http://poptop.sourceforge.net/yum/stable/packages/pptpd-1.3.4-2.rhel5.x86_64.rpm
If wget is invalid, yum install-y wget
Rpm-IVH pptpd-1.3.4-2.rhel5.x86_64.rpm
3.Configure PPTP
VI/Etc/PPP/options.ppt PD
Edit MS-DNS, A
shortcuts in ranges! Ie. 234-8 does not mean 234 to 238,# You must type 234-238 if you mean this.##4. If you give a single localIP, that's OK-all local IPs will# Be set to the given one. You MUST still give at least one remote# IP for each simultaneous client.## (Recommended)# Localip 192.168.0.1# Remoteip 192.168.0.234-238,192.168 .0.245# Or# Localip 192.168.0.234-238,192.168 .0.245# Remoteip 192.168.1.234-238,192.168 .1.245Localip 10.192.168.1Remoteip 10.192.168.100-200Note: In the preced
communicate with the VPN service, that is, the client may access the VPN server through this address)(2) define the IP segment of the client. (with-to connect the continuous IP, with half-width commas to separate the IP of the different segments)
Vi/etc/ppp/options.pptpdAdd one line at the endMs-dns 4.2.2.2 (You can
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
Pptp vpn Server in CentOS6 Architecture
For more information, see http://www.178-go.com/archives/vpn-on-centos-vps.html. There are also many articles about installation and configuration on the Internet, which are also detailed. It is not difficult to configure according to steps. Because my application scenarios are a little different from those described in the
Article Title: Use vpn to connect to a remote server in Ubuntu. 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 company's servers provide vpn access points so that they can connect to the company's servers through
.
vi /etc/pptpd.confUncomment the following content
localip 192.168.0.1remoteip 192.168.0.234-238,192.168.0.245The IP address range that can be obtained after the external computer connects to the vpn through pptp and the IP address settings of the server.
4. Add an account for login
vi /etc/ppp/chap-secretsThe f
packages and dependent packages above rpm-ivh
2. Configuration and use
If the installation is successful, su to the root user and run pptpconfig. php.
Note: before running the command, make sure that/usb/sbin and/sbin are in the system path. Otherwise, no ip address or pptp command error is found.
Solution:
[Root @ eadd-lyb] # export PATH = $ PATH:/usr/sbin/:/sbin/
Run:
[Root @ eadd-lyb] # pptpconfig. php
For the use of software, I don't want to g
A problem occurred when we used PacketiXVPN in our company to build a VPN server using CentOS. After a long time, I had not solved the problem, so I found out the problem by looking for their technical staff to completely simulate our network environment...
A problem occurred when we used PacketiX VPN to build a VPN
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