all of the server ' s caches. #清空DNS缓存Status Display status of the server. #显示bind服务器的工作状态2, RNDC Debug and log:Debug: Displays detailed information in program run (I/O, which is normally recommended to close)Debug Level: 0,1,2,3 ...To raise the debug level:RNDC TraceRNDC Trace LevelRNDC NotraceOpen Query log: Record query action (increase disk I/O)——————————————————————————————————————————————————
the service is compromised by an attacker, the access rights of the attacker are based on this lower privilege because of the low process permissions."Configuration file":[Email protected] ~]# RPM-QC bind/etc/logrotate.d/named/etc/named.conf #主配置文件/etc/named.rfc1912.zones # The Zone profile (included with the include directive in the Master profile)/etc/nam
器存放文件/var/named/named.empty/var/named/named.localhost/var/named/named.loopbackZone Resolution library file:/var/named/zone_name.zoneDig,host,nslookup is the DNS test toolHere we have four experiments to explain the DNS configuration of four differentConfiguring BIND for forw
you have more than one NS server, each must have a corresponding NS record; For a forward parsing file, each NS FQDN should have an a record; ③mx:mail EXchanger name: Zone name Val UE: The FQDN of the mail server for example: @ in MX ten mail.magedu.com. @ in MX mail2.magedu.com. Note: If you have more than one MX server, each must have a corresponding MX record, but each MX record has a priority attribute (0-99) ④a:address Name:fqdn
BIND is the most widely used DNS server software."Named" in the name of the bind Service"The BIND configuration file is stored in two main locations.▲Bind service main
Bind is a set of software that implements the DNS service (official site: isc.org), which contains server-side programs named (provided by the BIND package, listening sockets: 53/tcp, 53/UDP), and client Tools host, Nslookup, Dig (provided by the Bind-utils package). To ensure the security of the server,
Brief introduction
In my opinion, the only DNS solution based on bind consists of two parts: geolocation and dynamic record. The domestic industry for smart DNS positioning is nothing more than these two points, but I understand that smart DNS is based on these two intelligent scheduling system, such as I have three l
.
There are a lot of ways to configure bind. I used two (the premise is to make the principle of DNS work out), one is to put the/etc/ Named.conf the various parts of the file, and then modify the file (and some other files), of course this method will take a little time to learn (at least I am), although this can be c
.
There are a lot of ways to configure bind. I used two (the premise is to make the principle of DNS work out), one is to put the/etc/ Named.conf the various parts of the file, and then modify the file (and some other files), of course this method will take a little time to learn (at least I am), although this can be
About BindThe most widely used DNS server software now is bind (Berkeley Internet Name Domain), which was first written by a student at Berkeley University, and now the latest version is 9, with ISC (Internet Systems Consortium) written and maintained.Bind supports most of the first operating systems (Linux,unix,mac,windows)The name of the bind service is called
192.168.8.79[Root @ ns ~] #/Usr/local/named/bin/nslookup ns.linuxfan.cnServer: 192.168.8.79Address: 192.168.8.79 #53Name: ns.linuxfan.cnAddress: 192.168.8.79The test is successful.5. For additional settings, install phpmyadmin as the dns backend management. If you are not familiar with the database, check it out.PhpMyAdmin-3.3.10-all-languages.tar.gz software package, pay attention to install php5.3. You can use phpmyadmin-2.11.11.3-all-languages.tar
EnvironmentOperating system: CentOS 6.5DNS software: Bind (Installation reference: "Linux" DNS service-bind basic configuration (ii))Bind slave ServerFrom the server is to add the configuration information from the domain example.
DNS (domain Name System), the Internet as the domain name andIP Addressone of the mutual mappingsDistributed databaseTo make it easier for users to accessInternet, instead of remembering the number of IP strings that can be read directly by the machine. ThroughHostname, the process of eventually getting the IP address for that hostname is called Domain name resolution (or hostname resolution). The DNS proto
Mylinux.com 172.16.100.0/24NS 172.16.100.1www 172.16.100.1, 172.16.100.3Mail 172.16.100.24FTP wwwDns:bind SoftwareBerkeley Internet Name DomainIscwww.isc.org[email protected] yum.repos.d]# Yum list |grep "^bind"[Email protected] yum.repos.d]# yum-y install bind.i686/etc/named.conf master configuration file, which is used to define the working properties of the
ArticleDirectory
I. Software Packages
I. Software Packages
1. bind-9.5.0b2.tar.gz
2. openssl-0.9.8o.tar.tar
Ii. Installation Steps
1. Tar zxvf openssl-0.9.8o.tar.tar
2. CD openssl-0.9.8o
3../config-Prefix =/usr/local/OpenSSL
4. Make
5. Make install
6. Tar zxvf bind-9.5.0b2.tar.gz
7. CD bind-9.5.0b2
8 ../configure-Prefix =/usr/loc
*//installation bind service3.systemctl start Named.service//Start service4.NETSTAT-UTLNP | grep named//view service port5.RPM-QL bind-9.9.4-50.el7.x86_64//View the path generated during installation6.vim/etc/named.conf//Modify Master File7. Add a configuration area8. Depending on the version of the installation system, the reverse parsing
101", "Students": [ { "name":"Jesse", " Age":" -" }, { "name":"Wyt", " Age":" -" }, { "name":"zzz", " Age":" A" } ]}View CodeWhy do you want to add a configuration file? We can see: Because the default is not to add the configuration file when the webhost is started, b
DNS Positive Solution zone fileIn DNS, we know that there is the concept of domain and region, the English name of the domain is domains, it is a logical concept, and the region English full name zone, it is a physical concept. And zone is divided into positive solution area and inverse solution area.Positive Solution Area: a service that provides forward parsing, that is, the process of FQDN-->IPAnti-Solut
host name to the hosts file of the other host.
5. Host Name modification tool hostname
In fact, there is also a dedicated tool for modifying the host name, that is, the hostnameHostname-show or set the system's host name
Show Host Name:# HostnameLinmu100The host name of this host is linmu100, and the Host Name of the current host is displayed without parameters;
Set the host name temporarily:# Hostname test100# Hostname note: the host name is display
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