Exchange Server Port Forwarding

The intermediary transaction SEO diagnoses Taobao guest Cloud host Technology Hall DNS several basic concepts domain name space: refers to the Internet all host's unique and the relatively friendly host name composition space, is the DSN naming system at one level logical tree structure. 　　Each machine can use its own domain namespace to create a private network that is not visible on the Internet. 　　DNS server: The computer on which the DNS service program runs, with a DNS database on the results of the DNS domain tree. DNS client: Also known as parsing ...

Shenzhou Digital BAS Equipment DCRS-6608 can provide PPPoE, WEB Portal+dhcp, 802.1x and many other authentication billing mode, can build Low-cost, High-performance, ip-based Core based on the operation of Broadband metropolitan area network. 1. Ethernet access can be in some residential areas to provide LAN access, users through PPPoE dial-up Internet access or the use of Web authentication way to the Internet, you can adopt a monthly subscription system, long time, according to the flow of a variety of charging methods; 2. ADSL access using existing telephone line funds ...

With the rise of new businesses such as cloud computing, mobile Internet and Web2.0, traditional data centers have been unable to meet. The industry is setting off a new wave of data center construction, with the next generation of cloud computing data centers. Network is one of the important components of cloud data center, the network Architecture of cloud data center must have five new technology features: 100G Ethernet technology, surge cache, network virtualization, unified Exchange, green energy-saving technology. 100G Ethernet Technology Bandwidth pressure is the core problem of cloud data center network. In the data center, like video-on-demand, 10G FCoE ...

Absrtact: Mobile phones have become a necessity for most people. At present, China's mobile phone users have exceeded 1.1 billion, on average, every 10 people have 8 mobile phones. At the same time, spam message also flooded, all kinds of advertising, fraud information seriously affect our lives. These junk short phones have become a necessity for most people. At present, China's mobile phone users have exceeded 1.1 billion, on average, every 10 people have 8 mobile phones. At the same time, spam message also flooded, all kinds of advertising, fraud information seriously affect our lives. Where does this junk text message come from? Who is to be supervised? Today is "World telecom ...

The achievements of modern science and technology make the human organs in space has been greatly extended, if the telephone is the extension of human voice, television is the extension of human vision, the data center is the extension of the human brain, then the network is a variety of extensions, as well as between the extension and the subject exchange information between the transmission of the instructions of the nervous system. The normal nervous system is one of the basic signs of a healthy human being, similarly, the large bandwidth, the low time delay, the high reliable network system is also makes the human various organs to extend effectively, enters the cloud age the basic guarantee. Cloud business's challenge to the network as information services enter ...

The achievements of modern science and technology make the human organs in space has been greatly extended, if the telephone is the extension of human voice, television is the extension of human vision, the data center is the extension of the human brain, then the network is a variety of extensions, as well as between the extension and the subject exchange information between the transmission of the instructions of the nervous system. The normal nervous system is one of the basic signs of a healthy human being, similarly, the large bandwidth, the low time delay, the high reliable network system is also makes the human various organs to extend effectively, enters the cloud age the basic guarantee. Cloud business's challenge to the network as information services enter the cloud ...

The router is an important bridge for the LAN to connect the external network, is an indispensable part in the network system, and also the Frontier Gateway of the network security. But the maintenance of the router is rarely appreciated. Just imagine, if the router even its own security is not guaranteed, the entire network there is no security to say. Therefore, in the network security management, the router must be properly planned and configured to take the necessary security measures to avoid the security problems of the router to the entire network system to bring loopholes and risks. We are here to introduce some of the router to enhance the security of the measures and methods, let me ...

The achievements of modern science and technology make human organs in space has been greatly extended, if the telephone is the extension of human sound, television is the extension of human vision, then the large data center network is the human Brain unlimited extension, large data center switch is the brain nervous system as a high-speed road. 　　The normal nervous system is one of the hallmarks of a person's health, and similarly, large bandwidth, low latency, and high reliability of the network system is the basic guarantee for human to enter the cloud era. Data center is the inevitable outcome of internet development to a certain stage. Relevant data show that with the advent of the cloud computing era, network flow ...

"Editor's note" Network after years of development, has come to the "post-Cisco" era, software definition network, network virtualization and other nouns have come to everyone, this article focuses on the traditional network architecture and SDN network of similarities and differences, the development of network virtualization, you can see, SDN manufacturers are gearing up, because of " We usually overestimate the changes in the next two years, and underestimate the changes that will happen in the next decade ", the traditional enterprises need to actively face the future changes in the network operation, the author from the Network Transformation and technology transformation in two aspects of the network industry in-depth discussion of the ...

According to IDC's estimate, from the operating cost control point of view, in the IT industry, the cost of energy consumption has reached its hardware procurement costs of 25%. The data is rising at a compound annual rate of 52%. 　　When enterprises and large and medium-sized organizations face the changing business pressure and the data of exponential growth, it is necessary to consider and pay attention to the characteristics of environmental protection and energy saving in the data center. At the same time, the Enterprise data center areas of various products have been affixed to the "green energy-saving" label, a variety of "green energy-saving" as the main selling point of the new technology is also emerging ...