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One, the role of domain from DNS serverAs we mentioned in our previous essay, there are generally three types of DNS servers, one is primary DNS server (primary DNS server), one is secondary DNS server (from
"Linux.net" in {Type slave; Set to secondary typeFile "Slaves/linux.net"; Specifies the file name and location of the replicated zone database (the reason is "slaves/linux.net" becauseMasters {192.168.10.10;}; When the secondary DNS server is configured, the secondary server automatically replicates the forward zone database files from the primary server and}; Reverse zone database file to secondary server/var/named/chroot/var/named/slaves)Zone "10.1
security reasons, the primary server does not allow any DNS servers to replicate data from its own zone, and by default only DNS servers in this zone are allowed to be secondary DNS servers. As the following illustration shows, s
=" Sohu.net.zone.png "style=" Float:none "src=" http://s3.51cto.com/wyfs02/M00/6B/E3/ Wkiom1u44ydcr9hwaadeowr3wgi440.jpg "alt=" Wkiom1u44ydcr9hwaadeowr3wgi440.jpg "/>DNS domain resolution file:/var/named/chroot/var/named/5.6.7.arpa650) this.width=650; "title=" 5.6.7.arpa.png "style=" Float:none "src=" http://s3.51cto.com/wyfs02/M00/6B/DF/ Wkiol1u45h6rjjigaacrgsdgqcw215.jpg "alt=" Wkiol1u45h6rjjigaacrgsdgqcw215.jpg "/>Above configuration complete must
I. Planning INSTRUCTIONS: Host A: Dual NIC 192.168.1.7--> mydomain.org Primary Domain name server 192.168.10.7--> myzone.org The primary domain name server, which has two subdomains, for market.myzone.org and develog.myzone.org Host B: Dual NIC 192.168.1.6--> mydomain.org Auxiliary domain name server 192.168.10.6--> market.myzone.org Sub-domain name server Both servers have DNS-independent logs for l
DNS ServerIt is a domain name system or Domain Name Service. The domain name system assigns domain name addresses and IP addresses to hosts on the Internet. DNS software is a target that hackers are keen on and may cause security problems. This article provides 10 most effective methods to protect DNS servers. 1. Use a
DNS knowledge: 650) this. width = 650; "src =" http://www.bkjia.com/uploads/allimg/131227/2015443221-0.jpg "style =" float: none; "title =" aa.jpg "alt =" 215806990.jpg"/> 650) this. width = 650; "src =" http://www.bkjia.com/uploads/allimg/131227/2015445355-1.jpg "style =" float: none; "title =" bb.jpg "alt =" 215808235.jpg"/> 650) this. width = 650; "src =" http://www.bkjia.com/uploads/allimg/131227/201544JF-2.jpg "style =" float: none; "title =" cc.
I. Planning INSTRUCTIONS: Host A: Dual NIC 192.168.1.7--> mydomain.org Primary Domain name server 192.168.10.7--> myzone.org The primary domain name server, which has two subdomains, for market.myzone.org and develog.myzone.org Host B: Dual NIC 192.168.1.6--> mydomain.org Auxiliary domain name server 192.168.10.6--> market.myzone.org Sub-domain name server Both servers have DNS-independent logs for logging
1. Using DNS Forwarders DNS forwarders are for other DNS servers The DNS server that completes the DNS query. The primary purpose of using DNS forwarders is to mitigate the pressure o
The premise for the commercial use of IPv6 is that IPv4 addresses are exhausted. For this reason, we urgently need the IPv6 protocol to improve this situation. So how does IPv6 distribute DNS servers? Next we will analyze the principles in depth. Hope to help you. What is the architecture of the IPv6 Domain Name System? The DNS in the IPv6 network is consistent w
Welcome to the Windows community forum, and interact with 3 million technical staff to access the DNS software, which is a target of cyberattacks and may cause security problems. This article provides 10 most effective methods to protect DNS servers. 1. Using a DNS forwarder is a D
server about which DNS servers are responsible for each top domain, so he will respond to the nearest name server as the DNS servo host that controls the CN domain. In step 5, the root name server has told the local DNS server which is in charge of the domain. cn, and then the local
One of the most important components of any current TCP/IP network is the DNS server. A number of things a DNS server can accomplish, such as parsing an Internet URL into an IP address, resolving the host name on the local network, and providing the infrastructure on which the Windows Active Directory depends. Therefore, deploying a DNS server is not a very simpl
Some common knowledge of configuring DNS servers in Linux-Linux Enterprise Application-Linux server application information. The following is a detailed description. It is particularly important to use and configure DNS for how to implement Intranet and build Web servers or other s
As we all know, servers are the most important resources in computer networks and have high security requirements. If the running server is not properly configured, a large amount of useful information may be leaked, so that hackers can damage your network. Therefore, we should check the server to ensure that hackers cannot obtain the key information they need. Today, almost every organization is running DNS
DNS (Domain Name Server) is a huge distributed database that provides a specified Domain information through the Domain Name Server for Domain Name resolution. The Domain Name Server is responsible for converting the Domain Name to an IP address. It is impossible to put all Domain Name Information in the Internet on the same computer. Therefore, the DNS system uses a tree structure to store domain name info
responsible for maintaining all data in this subdomain. they can change data freely, and even divide the subdomains they manage into more subdomains and reallocate them. the parent domain only contains pointers pointing to these subdomains, so it references queries there. 1.2 A Domain name server is called a Domain name server ). generally, a Domain Name Server has complete information about some domain name spaces (called zone zones. the domain name server can have multiple zones for authoriza
The architecture automatically resolves the DNS servers of different IP addresses, such as Linux Enterprise applications and Linux server applications, based on the users of China Telecom and China Netcom. The following is a detailed description. This document is based on FreeBSD and BIND platforms. Win users should be avoided. If there is no FreeBSD basic, do not. Linux or other Unix users can serve as ref
, AX has a solution, that is, the DNS application service firewall. AX has three powerful methods in this issue, which can effectively mitigate the impact of these attacks,1. First, Filter non-DNS protocol packets Malformed Query Filter)2. Then, Cache the information queried through the DNS server)3. If a large number of normal queries are encountered, AX can sta
If users use Windows SQL Server as the operating system of a computer, they can configure the computer as a Web server, an IIS server, an FTP server, a DNS server, A variety of servers, such as a DHCP server and a WINS server, to provide a service to clients in a network. Of the most important and basic three services provided by Windows Server servers is the dom
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