at t vpn service

access control capabilities, mobile users can easily access the company's internal B/S and C/S applications and other core resources. As a traditional solution, remote access is completed using the leased line dial-up connection. Although this method works quite well, its most typical defect is that the transmission speed is low, and the huge network cost also makes it difficult for you to provide the services they need. However, ssl vpn allows you t

, and all the data goes green. in this way, we can see some interfaces with messy frameworks that are suitable for reading by WAP browsers. Besides, they are limited to web pages and cannot be used by other network software.3. How the WAP monthly subscription card works with the Internet on the VPN Server.However, when the WAP monthly subscription card is used together with the VPN Server, you can enjoy the

1 Introduction With the enlargement of the scale of university running, the new (sub) campus spread to the wireless network construction and management put forward higher requirements. VPN technology can not only build a unified wireless network management platform, but also improve the security of wireless campus network. 2 VPN Overview VPN (Virtual private n

Of course, VPN is far more useful than this, such as game agents. The following describes how to set up a VPN under Windows. Hope to help you. Preparations: windows firewall (windows firewall/internet connection sharing (ICS) must be stopped (or port 1723 is allowed); remote Registry (remote Registry) must be enabled; server must be enabled; Routing and Remote Access must be enabled. If the server uses a L

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 go into details. You will know it at a glance!

With the development of enterprise Informatization and the arrival of web2.0 era, the traditional office way has not been up to the demand of the Times, mobile office, Soho office gradually become the mainstream office. Compared to the traditional office, mobile office and Soho Office brings more flexible working hours and office location, for timely access to the latest and most valuable information has a great help. In this era of information, who can first control the information who can cont

sends)Debug# Print out all the option values which have been set.# (Often requested by mailing list to verify options)Dump# Miscellaneous# Create a UUCP-style lock file for the pseudo-tty to ensure exclusive# Access.Lock# Disable BSD-Compress compressionNobsdcomp# Disable Van Jacobson compression# (Needed on some networks with Windows 9x/ME/XP clients, see posting# Poptop-server on 14th 10000l 2005 by Pawel Pokrywka and followups,# Http://marc.theaimsgroup.com /? T = 111343175400006 r = 1 w =

PPTP VPN I believe a lot of friends have heard, today I would like to introduce you to CentOS 6.4 to install PPTP and configure the Debian GNOME desktop VPN Client Connection example, I hope that the following will help you. The following is based on the Linode VPS Centos 6.4 Install PPTP service, remember that the Linode VPS is Xen virtual, so please see the

campuses, known as the "one main eight auxiliary" institutions. The link resources used in the interconnection between colleges and universities are China Netcom's metropolitan area Network fiber link, using the MPLS VPN service provided by Netcom. Each campus through the 10M link to the China Network Tongcheng Area Network, the school center connects to the Netcom metropolitan area network through the 100

VPN is an indispensable service for all Internet enterprises. Its existence greatly facilitates our office efficiency. When a Server failure occurs, engineers no longer need to take a taxi to the company to handle the problem. They can dial up and connect to the company at home, so they can handle the problem easily and happily. Of course, what I am talking about here is not a hardware device fault. If it i

is consistent here ), the third column is the password, and the fourth column is the IP address restriction (do not limit writing ). After all the operations are completed, we need to restart the pptpd service to make the new configuration take effect: sudo/etc/init. d/pptpd restart: Find a Windows computer, create a VPN link, enter the server IP address (or domain name), and enter the user name and passwo

not going to be on the web.#原文是设置/etc/ppp/options.pptpd file, but I'm not/etc/ppp/pptpd-options, specifically see/etc/pptpd.conf's description Mydns= ' cat/etc/resolv.conf |grep nameserver | awk ' {print $} 'echo "Ms-dns $mydns" >>/etc/ppp/pptpd-optionsecho "Ms-dns 8.8.8.8" >>/etc/ppp/pptpd-options #iptables--flush postrouting--table NAT#iptables--flush FORWARD #下面会生成个默认的密码, change yourself into something easy to remember.#pass = "Kimeismyhero" pass= ' OpenSSL rand 8-base64 'If ["!="]Then p

"Remoteip 172.16.36.2-254" >>/etc/pptpd.confecho "Ms-dns 8.8.8.8" >>/etc/ppp/options.pptpdecho "Ms-dns 8.8.4.4" >>/etc/ppp/options.pptpd pass= ' OpenSSL rand 6-base64 'If ["!="]Then pass=$1Fi echo "VPN pptpd ${pass} *" >>/etc/ppp/chap-secrets Iptables-t nat-a postrouting-s 172.16.36.0/24-j SNAT--to-source ' ifconfig | grep ' inet addr: ' | Grep-v ' 127.0.0.1 ' | Cut-d:-f2 | awk ' nr==1 {print $} 'Iptables-a forward-p TCP--syn-s 172.16.36.0/24-j TC

you set, change to "10.0.0.0/24 ". In addition, you need to note that eth0, if your internet nic is not eth0, but eth1 (such as the SoftLayer server, you can use the ifconfig command to view the Ethernet port name). Remember to change eth0 to the corresponding NIC number. Otherwise, the network cannot be connected!Then, enter the following command to allow iptables to save the forwarding rule we just added so that you do not need to add it again after restarting the system:#/Etc/init.

I have been studying CCNP Security Firewall v1.0 recently. Now the research is complete! It is found that Cisco ASA 8.4 has changed a lot. It is more and more like the checkpoint firewall. The global access control list, whether it is NAT or recently, is exactly the same as that of the cp firewall. After the Firewall v1.0 study is completed, the next research goal is VPN v1.0, which mainly introduces VPN on

access users, the corresponding routing strategy needs to be developed, when the access to cernet through the cernet export access, when the access to chinanet through the chinanet export access. And when the two network visits, you should consider using NAT/NAPT conversion, the following gives a solution based on Bgp/mpls VPN. Design and implementation of 3 BGP/MPLS VPN routing strategy Regarding OSPF r

Install pptpd VPN in Centos 6.5x64 This tutorial applies to Openv VPS, Xen VPS, or kvm vps. 1. Run the following command: Cat/dev/net/tun The returned value must be: Cat:/dev/net/tun: File descriptor in bad state Run: Cat/dev/ppp The returned value must be: Cat:/dev/ppp: No such device or address If these two results are not returned, contact the VPS customer service to activat

. XXX/XX is the remote IP address set in step 1.9. Configure the startup service (optional) The code is as follows:Copy code Chkconfig iptables onChkconfig pptpd on 10. Start or restart the pptp and iptables services. The code is as follows:Copy code # Service iptables start# Service pptpd startService iptables restartService pptpd restart Configure the

Deploying a PPTP VPN server recommends that you follow the following process: The active Directory Domain Services service, the WINS service, and the DHCP service are deployed in the domain controller. Domain controller to create a domain user and give the Allow remote access permission. The PPTP