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I. Overview:I received A friend's question in my blog. After phone communication, I learned the approximate situation:. the headquarters has a leased line to partner B. the partner side is not convenient to add a back-to-point route. When the Headquarters accesses the partner, PATC is implemented. now, if you want to connect the branch L2L VPN to the headquarters and PAT to the partner, the traffic from the branch to the partner is routed to the loopb

1. Topology Map: 2. Basic interface Configuration: R1 (config) #int f0/0 R1 (config-if) #ip add 192.168.12.1 255.255.255.0 R1 (config-if) #no sh R1 (config-if) #int l0 R1 (config-if) #ip add 10.1.1.1 255.255.255.0 R2 (config) #int e0/0 R2 (config-if) #ip add 192.168.12.2 255.255.255.0 R2 (config-if) #no sh R2 (config-if) #int E0/1 R2 (config-if) #ip add 202.100.1.2 255.255.255.0 R2 (config-if)

Igp-Summary: an advanced distance vector routing protocol, which features both distance vector and link status routing protocols. China site, applletalk and other network layer protocols. VPN is an efficient routing protocol. It has the following features: 1. control layer: Different igp protocols, small AD (AD can be used to manage the distance and the advertised distance of VPN, this refers to the Managem

The old version of the VPN system GETSHELL of wangshen (also affects multiple VPN manufacturers' devices, such as Wangyu Shenzhou, tianrongxin, Xi'an wangying, weishitong, Geda zhengyuan, American concave and convex, and ANIX in Germany) In the/admin/system/backup_action.php file if (isset($_REQUEST['cmd']))$cmd = $_REQUEST['cmd'];else$cmd = "NULL";$with_cert = 1;$pass = "";include_once "management/system.p

1. The following is an example of an Android phone, we click "Settings" to enter, as shown in the following figure. 2. There is a more or more network connection in the Setup interface, which has the following interface 3. After this enter the interface, we click on "VPN" to open the new interface click "+" increase, as shown in the following figure. 4. Then we enter the domain name of the Outland, such as image encryption 5. Now back to t

Run the route command to view all the routes. Route The result is roughly as follows: Kernel IP route table destination gateway subnet mask mark hop reference using interface default 192.168.8.1 0.0.0.0 UG 0 0 255.192.168.8.1 255.255.255.255 UGH 0 0 0 wlan0110.185.76.107 192.168.8.1 255.255.255.255 UGH 0 0 wlan0link-local * 255.255.255.0.0 U 1000 0 0 0 wlan0192.168.0.40 * 255.255.255.255 UH 0 0 0 ppp0192.168.8.0 * 255.255.255.0 U 2 0 0 wlan0 Configure all traffic to go through the

Add the following content to the/etc/sudoers Cmnd_alias VPN=/USR/SBIN/PPPD VPN All=nopasswd:vpn Test this machine SUDO/USR/SBIN/PPPD Noauth ~}#?}!}!} }4} '}amp}}} '}%}v 鴠 '}} (} "~}#?}!}!}" }4} '}amp}}} '}%}v 鴠 '}} (} "~}#?}!}!}" }4} '}amp}}} '}%}v 鴠 '}} (} "~}#?}!}!}" }4} '}amp}}} '}%}v 鴠 '}} (} "~}#?}!}!}" }4} '}amp}}} '}%}v 鴠 '}} (} "~}#?}!}!}" }4} '}amp}}} '}%}v 鴠 '}} (} "~}#?}!}!}

Build a Linux-based VPN Network-Linux Enterprise Application-Linux server application information. The following is a detailed description. Building a VPN is almost one of the most advanced Linux applications. Learning this technology is enough to make you proud of the capital. The main purpose of VPN is to establish an encrypted communication mechanism, and then

. (Computer science) Programme II: Wired The cable scheme must only Buchan fiber for a distance of 12 kilometers, which is more expensive and time-consuming. You don't have to think about it. Programme three: Internet +vpn The internet can be said to be a common wan, a large number of telecommunications operators to establish a wide range of long-distance network, which is our enterprise to use the network of telecommunications companies to achiev

-address-family view VRF route information on PE1: PE1 # sh ip route vrf vpnaRouting Table: vpnaCodes: C-connected, S-static, R-RIP, M-mobile, B-BGP D-VPN, EX-VPN external, o-OSPF, IA-OSPF inter area N1-ospf nssa external type 1, N2-ospf nssa external type 2 E 1-OSPF external type 1, E2-OSPF external type 2 I-IS, su-IS summary, L1-IS level-1, l2-IS level-2 ia-IS

keepalivedGlobal_defs {Notification_email {Root @ localhost}Notification_email_from amos.lu@sky-mobi.comSmtp_server 127.0.0.1Smtp_connect_timeout 30Router_id LVS_DEVEL}Vrrp_script monitor {Script "nohup/etc/keepalived/monitor. sh 2>/root/error. log >/dev/null"Interval 20}Vrrp_instance VI_1 {State MASTERInterface eth0Virtual_router_id 200Priority100Advert_int 1Authentication {Auth_type PASSAuth_pass 1111}Virtual_ipaddress {172.18.5.10}Track_script {Mo

My host CENTOS6.564X Step 1: Download the one-key installation package for vpn (dedicated to CentOS6) # wgethttp: // uninstall: My host CENTOS 6.5 64X Step 1: Download the one-key installation package for vpn (dedicated to CentOS6) #wget http://www.iamhackspace.com/download/shell/vpn_cent6.sh#chmod a+x vpn_centos6.sh S

Only three steps are required to quickly build a vpn in Centos My host CENTOS 6.5 64X Step 1: Download the one-key installation package for vpn (dedicated to CentOS6) # Wget http://www.iamhackspace.com/download/shell/vpn_cent6.sh#chmod a + x vpn_centos6.sh Step 2: run the one-click installation package # Bash vpn_

used to simulate the internal network of the router.(2) the ip address pool used by the vpn client cannot overlap with the internal network ip address of the router.(3) The 10.130.23.0 CIDR Block simulates the public IP address. The 172.16.1.0 CIDR block is used for the internal IP address 1720, And the 192.168.1.0 CIDR block is used for the vpn channel.(4) No way was found to set the subnet mask obtained

The Site to Site VPN settings for vro Setup detailed Frame Relay configuration first describes that frame relay generally rents ISP services. The above configurations are all configured by China Telecom for you. what you get is the two DLCI values in the blue font, used to identify the line of Frame Relay. if you really want to do it on your own, it's as if I have written the red font that must be in front of it. then the blue part must also be in or

Http://91mail.51.net supply Currently, companies with relatively large scales all have their own subsidiaries. How to keep the branches safe, efficient, low-cost, and multi-purpose connections with the company's headquarters at any time is a challenge facing every enterprise. Traditional methods include leased line connection, dial-up connection, and direct access to IP addresses. However, they are either expensive or have a single function, which may pose security risks. Using a

compiled: (it has been successfully compiled on EmsVps, siyue innovation, and 28Vps, and passed)Applicable system: CentOS 5 32 bits/64 bitsApplicable host type: VPS or Linux Server Based on Xen Virtual TechnologyOne-click installation package: (directly copy the followingCommand, Run)Installation command: wget http://down.vpsma.com/vpn/pptpd.sh;sh./pptpd. sh;Aft

(multicast/broadcast) IP packets within the tunnel. Therefore, DMVPN supports running Dynamic Routing Protocols over IPSec and mGRE tunnels. It should be noted that NHRP must be configured as dynamic multicast ing. In this way, when the branch router registers the unicast ing address on the NHRP server (Central router, NHRP creates a multicast/broadcast (multicast/broadcast) ing for this branch router at the same time. Cisco dmvpn configuration instance: Configure r1 #

With the development of network communication technology and the emergence of network applications, more and more user data and enterprise information are transmitted over the Internet. As a result, more and more hackers and cyber threats are emerging. they steal, tamper with, and destroy confidential and sensitive data to achieve their ulterior motives. Therefore, with the development of network communication technology and the emergence of network applications, more and more user data and ente

A major purpose of VPS is to use it as an encrypted VPN server. connecting these VPN servers in China will allow unlimited access to the Internet. Common VPN servers are generally divided into two types, one is SSLVPN, which indicates that the software has openvpn, the VPN software has the client software under Windows