dyndns dns

0 × 01.1 Domain Name System) DNSDomain Name SystemDomain Name System Maps domain names and IP addresses in the form of a distributed database. The DNS protocol is the domain name resolution protocol. Simply put, DNS is used to resolve domain names. With DNS, we don't need to remember annoying IP addresses. We can access the server with a relatively memorable doma

In the process of accessing the Web site, we may often encounter the phenomenon of inaccessible web pages, when encountered this phenomenon, I believe most people will subconsciously think that the network dropped, or the target site of the server there is a problem, but after a careful investigation, the Web page can not open the phenomenon is not caused by these factors, So what is the reason for the Web page content can not open it. In fact, the most likely cause of the inability to open a W

China's north-south network is a problem for many people who do Web sites In addition to the use of dual-pass or multiple-pass computer room, but also through a number of mirror server methods to improve user access speed However, if the use of the dual-pass room is not single IP, or the use of multiple mirrors, you will face a number of different server IP problems At the earliest, many mirror servers used different domain names, such as WWW1 and WWW2, or www and CNC This approach, the user is

Enterprise intranet often have such a demand, For example, the IP address of the Business Server is 192.168.6.25, we are accustomed to visit this address, Yun-dimensional is also very kind of a domain name resolution to this IP address, so that we do not have to remember the cumbersome IP address, at the same time the operation of the dimension is also very convenient to the business Server by the 192.168.6.25 host migration to 192.1 68.6.26 host without notifying the client to change the addres

Security Gateway Model: Hillstone sg-6000-g2120 System version number: sg6000m-4.5r3p3.5 The company used to use telecommunications and unicom two lines of Internet access, each line has a separate router and firewall, a running business data, the other used for ordinary internet, is separate. But the engine room moved to the new office building, and then added a mobile exit, and to use the three export online, with the technical staff to communicate with the supplier, we decided to use the

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 domain name service, the service that converts the NetBIOS computer name to the corresponding

The previous days have been doing the company's DNS scheduler, but due to poor performance, the scheme was eventually discarded. 2.5 months of painstaking efforts, do not want to waste, so changed, the trade secret related parts removed, became a public DNS server. In fact, the simple point, is a can do DNS resolution and reply to the program (nonsense,

Primary DNS Server Setupbuild a domain name server that manages the hngd.com domain name on this machine1. Ensure that the following bind domain name servers are installed[[email protected] Master ~]# rpm-qa |grep ^bindbind-chroot-9.8.2-0.17.rc1.el6.x86_64bind-libs-9.8.2-0.17.rc1.el6.x86_64bind-9.8.2-0.17.rc1.el6.x86_64bind-utils-9.8.2-0.17.rc1.el6.x86_642. In the master profile, define the hngd.com forward zone and the reverse zone, and use named-che

# # # #辅助dns # ## # #dns集群 # # #(1) Auxiliary DNSSet slaveSelect a machine for secondary DNSoperation on the auxiliary machine1. Yum Install Bind-y2.vim/etc/named.confListen-on Port: (any;};allow-query {any;};Dnssec-validation No;3.vim/etc/named.rfc1912.zonesZone "Westos.com" in {Type slave;Masters {172.25.254.109;};File "Slaves/westos.com.zone";allow-update {none;};};4.vim/etc/resolv.confNamesever 172.25.2

1. C :\> netsh interface ip add address \ "inet \" 192.168.0.20 255.255.255.0 # inet is my local connection name 2. C :\> netsh interface ip add address \ "inet \" gateway = 192.168.0.1 gwmetric = 2 # gwmetric is the number of hops added 3. C :\> netsh interface ip add dns \ "inet \" 202.106.0.20 #202.106.0.20 is the DNS address of Beijing C :\> netsh interface ip add d