Tags: add command Detailed restart detailed request view local serverConfiguration of the 1.DNS server
1.1 Domain Name resolution: The client initiates a domain name request and the DNS server resolves it. Protocol://host + domain name
1.2 ip-Domain Name analysis:
(1.) by local when the Hosts file parsing vi/et
DNS CacheWhat is a DNS cache?The dns server can cache DNS records received from other DNS servers. can also use caching in DNS customer service as a way to cache information cached by
Winser2003-Based System
The DNS Server is a (Domain Name System or Domain Name Service) Domain Name System or Domain Name Service.
Simply put, the role of DNS is to resolve a domain name address such as www.baidu.com to 61.135.168.105.
It is to resolve the domain name to a specific IP address. In fact, we can directly enter the IP address to access the doma
is:
1. Plug in the network cable and display Internet access in the network center. You can log on to the network through the campus network.
2. tcp settings automatically get the IP address and the IP address of the DNS server and the alternative DNS Server
3. query the network details to display the IP address. The
At present, the more authoritative public DNS server providers have the Opendns,google-Dns,norton DNS, what are the actual access speeds of these DNS servers? This is directly related to the speed of our Internet access, after all, the fast speed is the king. The author comp
DNS is the abbreviation for the domain Name System. Everyone in the Internet input URL, is through the domain name resolution system to find the corresponding IP address to access the site. But the recent Microsoft Windows 2000 and Windows 2003 DNS services have a very high security vulnerabilities, if hackers successfully exploited, then our internet operation will encounter great trouble.
Hacking experti
Standard DNS software:BIND: Berkeley Internet Name Domain
Associated software packages: software packages starting with BindBind-libs provides library files for some peripheral toolsBind-utils client command line toolBIND server package, used to provide DNS ServerBind-chroot, do not install it. This program is very strange.Bind-devel Development KitBind-libbind-d
Google's free DNS server is 8.8.8.8.8, and the secondary server is 8.8.4.4.
The primary DNS server of opendns is 208.67.222.222, and the secondary server is 208.67.220.220.
DNS in Beiji
Simple DNS Server Configuration1: Install DNS-related packagesBind-chroot-9.3.4-10.P1.el5Bind-libs-9.3.4-10.P1.el5Ypbind-1.19-11.el5Bind-utils-9.3.4-10.P1.el5Bind-9.3.4-10.P1.el5Rpm-ivhFor example: rpm-ivh ind-chroot-9.3.4-10.P1.el5 others are also installed like this.2: you also need to install a DNS reference package
In the previous section we talked about the auxiliary and stub areas, so let's take a closer look at them. One, the auxiliary area About creation and functionality of secondary zones I'll explain in more detail by creating a secondary server, and I'll start working on the relevant preparations. The first two virtual servers to create a basic configuration (due to previous knowledge of the explanation, here is no longer detailed) example: computer name
computer access the Internet? Open the "local connection" attribute of the network management station, check the network settings, and find that the preferred DNS server is "202.99.160.68", and the alternative DNS server is "202.99.166.6 ", the DNS of several other servers
Tag: Restore contains port TTL run using--Manage DNS forwardingFirst, configure the basic DNS server (including forward parsing and reverse parsing)Domain Name: abc.comServer ip:10.1.2.111. Edit the Master profile/etc/named.conf----------------------------------------------------Options {Listen-on Port: (any;}; Listen-on-v6 Port 53 {:: 1;};Directory "/var/named";
Set up a dns server on centos to resolve any domain name
Function:1. Recently, the company launched a new web server, such as 111.111.111.111.Colleagues are required to test whether the server is normal. In a LAN segment, it is difficult for everyone to modify the hosts. This method can be used.For example, yumaozdy.co
As we all know, Linux does not catch up with Windows popularity and ease of use on desktop applications, but it is precisely because of its seemingly troublesome command-line operations that make it more secure than Windows, which uses a graphical interface for ease of use, This makes Linux a very popular server, especially with the well-known Apache lamp and DNS server
DNS is a naming system that converts a human-readable domain name into a computer that can recognize IP addresses. When a domain name query request that does not exist in the parser cache appears, the conversion process is from the root server to the top-level domain name, for example. com domain name) in the entire DNS hierarchy. Next, the top-level domain name
Construction of RHEL5--DNS Server
DNS server Construction
DNS (Domain Name System) is a distributed database that maps domain names and IP addresses on the Internet, allowing users to access the Internet more conveniently, instead of remembering the number of IP address stri
controlNote: Turn off the firewall of each machine first (the virtual machine network is simply set to the bridge mode to the common network with the host)Domain Control terminal1, configure the domain control IP,ipv6 removed, because the DNS server is installed on the domain control, so the preferred DNS server compl
system expansion capability.
More than two servers to work together must involve load balancing problem, the current commonly used load balancing technology are: NAT load balancing, reverse proxy load balancing and DNS load.
NAT load Balancing maps an external IP address to multiple internal IP addresses, dynamically converts each connection request to an internal server address, and leads the external c
Garbage station bloggers are still using the WIN7 system, recently through switches and routers are always not connected to the Internet, and other computers on the network can be networked, check found that the computer desktop in the lower right corner of the internet appears yellow exclamation point, after detection prompts "Windows can not communicate with the device or resource (primary DNS server)", I
Here we use the Linux Bind server software for the DNS service for this test.
BKJIA Editor note: BIND is a client/server system called a conversion program. It queries the information that generates domain names and then sends the information to the server. The server is cal
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