Event Causes and analysis
This incident is a linkage event, mainly divided into two parts:
1, the Dnspod site's DNS server by more than 10Gbps traffic DDoS attack the suspect because it is the competition between the network game between the business, causing a server operators launched thousands of zombie hosts to Dnspod launched a DDoS flood attack, Causes the
the proxy server, the proxy server directly sends the buffered content to the user. If there is no buffer, a request is sent to the WEB server first to retrieve the data, and then the local cache is sent to the user. This method reduces the number of requests sent to the WEB server and the load on the WEB
First, you must have a domain name that belongs to you. For example: ABC.com. No domain name must first register a domain name.
Second, register a DNS domain name in the International Domain name Center to make your DNS server globally effective.
1, in the domain name registrars (such as new network, new network interconnection) of the Domain name Control Panel i
1. Stop the DNS Service (execute the command: net stop DNS during running)
2. Open regedit and find HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services \ DNS.
3. Export the DNS branch. Named dns-1.reg
4. Find HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ WindowsNT
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 for the generic domain name can be achieved by slightly setting up a DNS server with its own Windows system.
The following are examples of Windows Server 2003 and Windows 2000
.(4) record the cache and return the path to the user.Note: In the system, we can track the path through the dig command.Workflow:2. Build a DNS serverToday, we are going to build a DNS server by ourselves. Such requirements are still available within the company.First, find
Yesterday I wanted to set up a computer with Windows 2003 server as a server with domain name resolution, www browsing, and FTP. Refer to the relevant information forAfter DNS settings, the ping command is checked in Windows 2003, but the prompt for "Unknow host" is always present. How do I properly configure my DNS?Th
Although Linux has not made noticeable progress in the world of desktop computing, it is already a small celebrity as a Web server. Thanks to its excellent reliability, we can safely run all the important service programs that are necessary for today's internet age on Linux. As a result, some of the most common uses of Linux include being used as mail servers, Web servers, and DNS servers.
Here we'll look a
The DNS server provides services to convert host names and domain names to IP addresses. Why do I need to convert host names and domain names to IP addresses? This is because when a client on the network accesses resources on a serverThe Host Name and domain name entered in the address bar of the browser are easy to remember. The connection between computers on the network is achieved through the unique IP
start.
The above directory contains almost all script programs that start the server. You can see how these scripts are written and how to start the server.
Some DHCPD server scripts start the program
Configuring the client is to configure the NIC (eth0, eth1 ....).
There are thousands of computers on the Internet, and each computer has a unique IP address. T
Environment:
The primary Dns:win 2003 domain Master Controller zone is automatically generated by the system (abbreviation a)
Host to be installed as secondary DNS: Win 2003 is not joined to the domain (abbreviation b)
Area: region.com
Action method:
1. Open the dns--> of a to expand the server name--> the right "forward search zone" selection attribute.
2.
Linux Red hat 5 DNS server (I) domain name cache server, hatdnsDetailed setup of multiple experiments on Linux Red hat 5 DNS server
Required software packages:
› Bind-9.3.3-7.el5.i386.rpm
› Provide main programs and related documents
› Bind-utils-9.3.3-7.el5.i386.rpm
› P
two to three letter suffixes, to specify the type of the Organization or the country or region where the domain is located. Domain Name Server Introduction: http://baike.baidu.com/view/543329.htm
Most of us use Google.com for search, but have you ever wondered why you can connect to Google's server by entering Google.com in your browser? Hmm ...... To understand this, we need to understand the concept of
The named process on the DNS server is always suspended. Please kindly advise! -- Linux Enterprise Application-Linux server application information. For details, refer to the following section. Jun 2 19:26:10 dns named [22520]: client 10.52.4.71 #37104: RFC 1918 response from Internet for 2.8.52.10.in-addr. arpa
Jun 2
This chapter describes how to add a Lync server to the Lync Server front End PoolLync Server front-end high-availability implementation method Three, in fact, the Microsoft Official website method only lists two, and many articles on the network emphasize the inability to use the Windows-based Network Load balancing for high-availability configuration
REM file name set DNS name server address Bat batch script file. batREM Use set the DNS name server address for the wireless network connectionnetsh interface ip add DNS "Wireless network connection" 8.8.8.8netsh interface ip add DNS
Experimental environmentUsing CentOS6.5 x64 to build a DNS server650) this.width=650; "src=" Http://s5.51cto.com/wyfs02/M02/79/BE/wKioL1aaQm-A-OoxAAAE9Z93Vic754.png "title=" {SQL2 ( (2X) E (9s3~8ln~~ $M. png "alt=" Wkiol1aaqm-a-ooxaaae9z93vic754.png "/>Bind the virtual machine to the VMnet1 NIC to communicate with the real machine650) this.width=650; "src=" Http://s1.51cto.com/wyfs02/M02/79/BE/wKioL1aaQtbgL
What is the difference between a WINS server and a DNS server?
For many people, the relationship between the WINS server and the DNS server is still mysterious. However, we hope to clarify this matter with your question.
First,
Now the server running a lot of system services, although there is no problem in the middle, but still afraid, if there is a problem, is a few days of time no, tired of 4 of people things AH. So you have to backup everything. Ghost Backup is the system, but the service configuration is at any time in the change, can not always come to a ghost bar, say no display, very troublesome.Studied for an afternoon and finally implemented automatic
Operating System: ubuntu1204 Server Edition
DNS software: bind9
Newoa.qyjob.net points to the 168.168.168.96 IP Address
Run the following command to install
Sudo apt-Get install bind9 dnsutils bind9-doc
By default. Bind9 is configured as a DNS Cache Server. Therefore, you only need to add the
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