what is dns for

Original address: http://www.cnblogs.com/engeng/articles/5959335.htmlRecently, the interview is often asked this question, want to interview the interviewer wants to examine the network knowledge, see whether this knowledge has formed the

Environment configuration:Configure DNS for Domain name resolution Install the bind package. Yum install-y bind2. Modify the bind configuration file.Vim/etc/named.confListen-on Port 53 {192.168.200.101;};allow-query

From:http://www.myhack58.com/article/sort099/sort0102/2011/31781.htm1. Close all INPUT FORWARD OUTPUT only for certain ports.Here is the command implementation:Iptables-p INPUT DROPIptables-p FORWARD DROPIptables-p OUTPUT DROPThen use the command

PowerShell Remote Management employs a new communication protocol, Web Services for Management, referred to as Ws-man it works over HTTP or HTTPS, and the implementation of Ws-wan is primarily based on a background service: Windows Remote Management

1. What is operation and maintenance? What is Game ops?1) operation and maintenance refers to the large-scale organization has established a good network of hardware and software to maintain, is to ensure that the business of the line and operation

(1) Modify IPConfiguration file/etc/network/interfacesAdd the following statement:Auto Eth0Iface eth0 inet StaticAddress 192.168.2.86 #IP地址netmask 255.255.255.0 #子网掩码Gateway 192.168.2.1 #网关(2) Modify DNSConfiguration file/etc/resolv.confAdd the

"Subdomain Authorization" "Experimental description": a new server IP of 192.168.0.112 is configured to become the primary DNS for the test.com subdomain (a.test.com)"Experimental Validation": subdomains can be self-managed, and DNS can be

1. Under Ubuntu, the wired network device is not hostedFIX: Enter in Ubuntu: sudo gedit/etc/networkmanager/nm-system-settings.confThen change the inside option to true to restart the computer.2. You cannot ping the domain name, but you can ping the

Ubuntu 12.04 set static IP 1. Configuring a static IP address$sudo vi/etc/network/interfacesThe original content only has the following two lines:Auto LoIface Lo inet LoopbackAppend the following to the end:Auto Eth0Iface eth0 inet StaticAddress 192.

Configure Linux to surf the Internet with the following methods:First step: Modify file: Ifcfg-eth0, path in/etc/sysconfig/network-scripts/ifcfg-eth0;Modify File command: Vim/etc/sysconfig/network-scripts/ifcfg-eth0The previous content of the

[Email protected] ~]#ifconfigeth0 Link encap:ethernet HWaddrxx: 0C: in: +: F6: Ainet Addr:172.17.4.128Bcast:172.17.4.255Mask:255.255.255.0Inet6 addr:fe80::20c:29ff:fe78:f612/ -scope:link up broadcast RUNNING multicast MTU: theMetric:1RX

1. Analysis of native and external networks?Before discussing the forward parsing and reverse parsing of DNS, but sometimes we want to make dnsserver for the server native parsing and the analysis of the external network is different. It is

Configure a primary domain name server as follows① domain name is linux.net, network segment is 192.168.10.0/24, server IP is 192.168.10.10, host name is Dns.linux.net② servers to resolve include: Www.linux.net (192.168.10.11)Ftp.linux.net (192.168.1

The DNS server is very important to us, and if it can't respond, we won't be able to get on the net. It is said that many users have encountered this problem, then when you encounter the WIN7 system DNS server did not respond to what to do? Do not

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

Network monitoring tools are an important feature for businesses of any size. The objectives of network monitoring may vary widely. For example, the goal of monitoring activities can be to ensure long-term network services, security protection,

Applied to: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1 IIS automatically starts the File Transfer Protocol (FTP) site when it is created, unless the administrator explicitly prohibits it with the/dontstart parameter.

Applied to: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1 IIS automatically launches the Web site when it is created, unless the administrator explicitly prohibits it with the/dontstart parameter. An administrator may

When we enter www.linux178.com in the address bar of the browser, and then go to enter, enter this moment to see what happened to the page?The following procedure is for personal understanding only:Domain name resolution--Initiates a TCP 3 handshake-

What about Iphone6 plus opening the App store blank? First step: We need to go to the Iphone6 plus "set-general-Restore-Restore network Settings", and then reconnect the network to see. Step Two: If you can not solve the "set Wi-Fi select