invisible vpn

1. Description of Invisible Indexes Oracle can create invisible indexes starting from version 11g. The OPTIMIZER_USE_INVISIBLE_INDEXES initialization parameter is explicitly set to TRUE, unless invisible indexes are ignored. The default value of this parameter is FALSE. Making the index invisible is an alternative to m

System invisible killer-blocking and waiting (SQL), and invisible killer SQL Preface The application system carries a large number of businesses and comes with complicated business logic. in the database, there are a large number of different types of SQL statements. The SQL statement execution speed is inseparable from the blocking wait. There may be many reasons for system slowness: insufficient hardware

THREEJS official website-Invisible Objects (Invisible objects)The beautiful Life of the Sun Vulcan (http://blog.csdn.net/opengl_es)This article follows "Attribution-non-commercial use-consistent" authoring public agreementReprint Please keep this sentence: Sun Vulcan's Beautiful Life-this blog focuses on Agile development and mobile and IoT device research: IOS, Android, HTML5, Arduino, Pcduino , Otherwis

solution will not be guaranteed. Solution 2: wired The cable solution can only deploy single-mode optical fiber cables at a distance of 12 kilometers, which is more time-consuming and costly. You can say you don't have to think about it. Solution 3: Internet + VPN The Internet can be said to be a public wide area network, and many telecom operators have established a four-way and eight-way long-distance network, which makes it possible for our compan

This article compares the IPSec VPN and ssl vpn technologies in detail, so that users from all walks of life can better understand the VPN technology and select the appropriate VPN product. Another VPN implementation technology different from the traditional

I have been busy a few days ago for my livelihood. Unfortunately, I got sick for a few days, so I didn't keep the documents in time. I would like to apologize to everyone, especially those who are eager to wait for me to write a book. Finally, I started to talk about the IPSec VPN technology. I have explained the principles of ssl vpn and mpls vpn. I still wa

WIN8 Cisco VPN 442 Error solution/Error Code 442 Cisco VPN Clinet with Windows 8 when you start using win8, because of work needs to use Cisco VPN Client, however, in win8, the Cisco VPN Client reports a 442 Error and cannot be used. The following Error message is displayed: Error Code 442 while connect to

for scalability and the real cost savings that can be achieved.Gao Yin that, in essence, Netcom MPLS VPN is not only a product, but also a service, it is based on MPLS technology, combined with differentiated services, flow engineering, to provide users with high-quality private network services. It has the following characteristics:First, high security. First, Netcom MPLS VPN provides full redundancy prot

This article combines two articles and has personally experienced it. It is very good. We have successfully established a VPN dedicated channel! The whole process is actually very simple. First, repeat the LNMP army brother's method and establish a VPN Server. 1. The full text of Server Installation explains how to create a VPN service on VPS, and how to install

I have recommended how to set up the PPTP VPN service in the article "VPs initial experience and self-built VPN service". This article has made some modifications and supplements based on the original article, and added"How to connect to pptp vpn on Linux. The running environment involved in this article: the remote server is configured with low xen VPs on vpslin

. Session layer VPN Socks4 Protocol: Socks is in the Session Layer of the OSI model. In the Socks protocol, the client program initiates a connection through the firewall through port 1080 of the Socks client to establish a VPN tunnel to the Socks Server, then the proxy application client communicates with the application server. In this framework, the protocol can pass through the firewall securely and tra

The following WLAN test is successful in ubuntu11.04: Install L2TP IPSec VPN We will use l2tp-ipsec-vpn software for Werner Jaeger First, open the terminal and execute the following command to install the l2tp-ipsec-vpn Software Sudo apt-add-repository PPA: Werner-Jaeger/PPA-Werner-vpnsudo apt-Get updatesudo apt-Get install l2tp-ipsec-

What does a VPN mean? The English full name of the VPN is "virtual private network", translation come Over is "the fictitious specialized network". As the name suggests, virtual private network we can understand him as a virtual enterprise internal line.---- This VPN's English full name is "Virtual private network", translates is "The fictitious private network". As the name suggests, Virtual Private Netw

　　What is a VPN? 　　The English full name of the VPN is "virtual private network", translation comes from "The fictitious specialized network". As the name suggests, virtual private network we can understand him as a virtual out of the enterprise internal line. This VPN's English full name is "Virtual private network", translates is "The fictitious private network". As the name suggests, the virtual privat

What is VPN? The full name of VPN is "Virtual Private Network", which is translated as "Virtual Private Network ". VPN is defined as a temporary and secure connection through a public network (usually the internet). It is a secure and stable tunnel through a chaotic public network. Using this tunnel can encrypt data several times to ensure secure Internet use.

Pptp settings and local vpn (and solve the problem that ssh cannot access the remote host under the vpn)1. Install pptpSudo apt-get install-y ppp pptpdsudo vim/etc/pptpd. conf modification: option/etc/ppp/pptpd-optionslocalip 172.31.26.19 (local vpn address) remoteip 172.31.26.20-200 (vpn customer point address range)C

Compile a Python script to configure VPN in batches and a python script vpn tutorial Origin As we all know, the recent network is not harmonious, the speed is slow, and the VPN is still disconnected. Fortunately, yunti provides a lot of servers for switching, but there are quite a lot of yunti servers, in Linux, Network Manager does not support batch configuratio

one VPN, but when the sub-interface belongs to multiple VPNs, the corresponding VRF table contains the routing information of all VPNs to which the sub-interface belongs. Each VRF table has two attributes: route distinguisher: RD and route target: RT. 2. Rd The IP address planning in the VPN is self-developed by the customer. Therefore, the customer may choose the private address defined in rfc1918 as the