whats dns server

In a network set up with the TCP/IP protocol family, each node has a unique IP address that is used as their only token. However, it would be unthinkable if the user were to be remembered for such an IP address without a memory rule. People need a string of memory rules to be the name of a unique tag node. However, although the symbol name is very convenient for people, it is not so convenient to implement on the computer. In order to solve this demand, a Domain Name Service system

The computer used to install the DNS server must use a static IP address, such as 172.16.16.99. After the system downloads the DNS server components, click the Start-Administrative Tools-DNS command to open the DNSMGMT console, as shown in Figure 1. In this console, you can

When performing software sample analysis (mainly analyzing the network traffic of the sample ), inevitably, you need to set up a DNS server to use IP spoofing technology to try to obtain the network traffic of software samples. The following uses CentOS5.2 as an example to describe how to set up a DNS server on Linux.

Event cause and Analysis This event is a linkage event, mainly divided into two parts: 1. the DNS server of the dnspod site is attacked by DDoS attacks with over 10 Gbps traffic. It is suspected that it is a competition between private online game servers, as a result, a private server operator launched thousands of zombie hosts to launch DDoS flood attacks

Many enterprises have set up a number of Web sites to meet the needs of employees, in order to save money, these sites usually use the virtual host technology, that is, on the same server to set up multiple sites, employees use level two domain names to access these sites. However, the workload of maintaining these level two domain names is very high, but we can solve this problem by using a generic domain name resolution technique, so that support fo

First, DNS overview When the computer communicates on the network can only recognize such as "192.168.0.48" such as digital address, then why when we open the browser, in the address bar input such as "www.abc.com" after the domain name, we can see the page we need? This is after we enter the domain name, there is a "DNS server" computer automatically put our do

This article describes how to configure a domain Name System (DNS) server to host a Web site that can be accessed externally (that is, from the Internet). How to obtain an IP address To host a Web site that can be accessed externally, you must obtain a public IP address from your Internet service provider (ISP). and assign this IP address to the external interface of the firewall or router to which the

Install Bind on CentOS to build a DNS server Because the company's internal network needs to be tested, domain names are used to access the company's internal server. However, the vro does not have the domain name forwarding function. Therefore, the DNS method is used. Background: One internal

Tags: cache tin image TAB manage exp Res try LookupDns_bind_ forward and reverse domain name resolutionBind Service supports TSIG Secure encryption transfer mechanismDNS domain name resolution service for resolving domain name and IP address correspondence Serviceforward parsing: Based on the domain name lookup corresponding IP AddressReverse parsing: based on IP address lookup for the corresponding domain nameDNS structure Model:however, depending on the number of

Many enterprises have set up multiple Web sites to meet the work needs of employees. To save costs, these websites usually adopt the virtual host technology, that is, building multiple websites on the same server, employees use second-level domain names to access these sites. However, it takes a lot of effort to maintain these second-level domain names, but we can use wildcard domain name resolution technology to solve this problem, you only need to s

DNS (domain Name System) is a long history method for assigning a domain name to a computer with an IP address so that the computer has a character name. If the IP address is 207.46.193.254 computer that is Microsoft server www.microsoft.com. DNS is well designed and works most of the time. However, there are always some unsatisfactory circumstances, it will stri

Configuration and management of DNS servers****************The first thing to know is the following files related to domain name resolution/etc/hosts-Early (DNS) method for resolving host names, typically consists of three fields: IP, host full domain name, alias/etc/resolv.conf--Specifies the parameters of the DNS server