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To configure the DNS approximate steps:1. Configure the IP address, and DNS points to itself.2. Turn off the firewall and turn off SELinux.3. Mount and install the bind package4. Copy the configuration file5. Configuring named.conf Primary Files6. Configure forward and backward files7. Configure the Forward file8. Configuring Reverse Files9. Restart the service10. Testing ServicesBody1. Configure the IP add
To configure the DNS approximate steps:1. Configure the IP address, and DNS points to itself.2. Turn off the firewall and turn off SELinux.3. Mount and install the bind package4. Copy the configuration file5. Configuring named.conf Primary Files6. Configure forward and backward files7. Configure the Forward file8. Configuring Reverse Files9. Restart the service10. Testing ServicesBody1. Configure the IP add
sent by the client are actually received.Ii. protocols that are closely related to http: ip,tcp and DNSIP protocol : From this, you can know that the IP protocol belongs to the network layer, may be someone will confuse the "IP" and "IP Protocol", "IP" is actually a name of the protocol, the role of IP protocol is to send various packets to each other. and to ensure that they do transfer to each other, you need to meet all kinds of conditions. Two important conditions are IP address and MAC add
The optimization system has always been an important way for users to improve their system operation. In our optimization of the Win7 flagship system, we sometimes disable some of the services can not be used to improve the speed of the system, but the small part of the system to say that each of the services have its usefulness, some services can not be prohibited, Otherwise, the system will be unable to use the situation, such as DNS Client
controltolimitqueriestoyourlegitimateusers. Failingtodosowillcauseyourservertobecome partoflargescaleDNSamplificationattacks. Implementingbcp38withinyournetworkwouldgreatlyreduce suchattacksurface*/recursionyes;dnssec-enableno;dnssec-validationno; After the grammar check is correct, start the named service; [[emailprotected]named] $systemctl startnamed client DNS needs to point to this
Installing RPM Packages[Email protected] extra]# Rpm-qa | grep "^bind"bind-chroot-9.8.2-0.17.rc1.el6_4.6.x86_64 Pseudo-root (optional)Main:Bind-libs-9.8.2-0.17.rc1.el6_4.6.x86_64Bind-utils-9.8.2-0.17.rc1.el6_4.6.x86_64Bind-9.8.2-0.17.rc1.el6_4.6.x86_64Install packagesYum install-y bind Bind-libs bind-utilsSee if the installation was successful![Email protected] dns]# Rpm-qa | grep "^bind"Bind-libs-9.8.2-0.17.rc1.el6_4.6.x86_64Bind-9.8.2-0.17.rc1.el6_4
How to solve the loss problem after Centos modifies DNS restart or restarts the network serviceRead directory introduction cause processing GitHub introduction when we configure Centos, we need to be able to connect to the Internet in many cases, so we need the DNS resolution function. By default, DNS information is not configured, so we have to configure
DNS service problems-Linux Enterprise Application-Linux server application information. For details, refer to the following section. I have configured the DNS service in linux. However, when nslookup is used for parsing in winXp, the following prompt is displayed: C: \> nslookup dns.beny.com
protected] ~]# service named ConfigtestStart[[Email protected] ~]# service named Startgenerating/etc/rndc.key: [OK]; random number generator Start ing named: [OK]View status[[Email protected] ~]# service named statusversion:9.8.2rc1-redhat-9.8.2-0.30.rc1.el6_6.3 software version CPUs found:1cpu number of workerThreads:1 worker thread number of zones:20 Zone are
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 namedDNS by default using UDP, TCP protocol,
from 61.135.169.125:icmp_seq=3 ttl=128 time=20.8 msUse the dig command:# Dig Www.baidu,com; ;; Global options: +cmd;; Got Answer:;; ->>header;; Flags:qr Rd RA; Query:1, Answer:1, Authority:1, additional:0;; QUESTION section:; www.baidu,com. In A;; ANSWER section:Www.baidu,com. 5 in A 220.250.64.26Display is normal.However, after the server restarts, the domain name can not be resolved, after analysis found that:In the/etc/sysconfig/network-scripts/ifcfg-eth0 filePeerdns=no # # #
;file "reverse.testlocal"; allow-update{none;};}; include "/etc/named.rfc1912.zones ";include"/etc/named.root.key "; 3. Edit the Forward file[Email protected] ~]# more/var/named/forward.testlocal $TTL 86400@ in SOA dns01.****.local. Root.dns01.test.local. (2011071001; Serial3600; Refresh1800; Retry604800; Expire86400; Minimum TTL) @ in NS dns01.test.local.@ in a 10.20.20.66 dns01 in a 10.20.20.664. Edit Reverse File[Email protected] ~]# more/var/named/reverse.testlocal $TTL 86400@ in SOA dns01.*
Recently, to configure DNS on the LAN (sharing the Internet at the same time), it took 2 days to write the ok! configuration process, Hope to be helpful to junior brother. First, the network environment In a small enterprise LAN, there are multiple computers, one of which is a NAT Gateway (10.198.253.148) Pass ADSL shared Internet access. Now need to do a DNS servic
Record Server Load balancer web Service requests based on DNS As a forum site: There are two types of data to be processed:1. structured data, such as user names and user comments, can be stored in relational databases. 2. unstructured data, such as attachments uploaded by users. Stored in the file system. Forum architecture: Use two httpd servers to serve users' access requests. Use the record of
DNS Service/etc/rndc. key was found solution after the dns service is configured in RHEL6, the following problems may occur. rndc cannot find the key, and the named service runs normally. In fact, it can also be used, however, based on the principle that one problem cannot b
Tags: Test tool format security settings listening port own TCP nslookup should be installedThe DNS service on Linux is provided by the BIND program.So in order to build a DNS server, you need to install the BIND program.Install bindBind fileMaster configuration file:/etc/named.conf It contains other filesView other files for bindwhich/etc/named.iscdlv.key/etc/na
1. Introduction1.1. Functions implemented: DNS resolution and intelligent forwarding1.2. Official documents:1.3. Basic concept: http://www.cnblogs.com/demonzk/p/6494968.html2. Environment:2.1. os:red Hat Enterprise Linux Server release 7.4 (Maipo)2.2. kernel:3.10.0-693.el7.x86_642.3. bind:9.9.4-51.el7_4.13. Installation:3.1. Operating system: (slightly)3.2. Configure Yum: (slightly)3.2. Install bindYum Install Bind3.3. Modify the configuration file"Li
NFS is a Web FileSystem network file system developed by Sun that is equivalent to a win mapped network drive that can "mount" a directory on an NFS server to a local directory on a local machine.The NFS configuration file is:/etc/exports [' eksp2rt] output, exportVi/etc/exports:/home/dir_to_exported clients_nfs (rw, sync and other sharing options)In fact, the configuration and use of NFS shares is the same as the idea and procedure of using smbclient or mount to make Linux share Windows shared
Domain Name Service (DNS) hosts are queried by domain names and IP addresses. DNS is a client-server system in which the domain name interpreter accesses the Domain Name Server to link the domain name with the IP address or other suitable hosts. Gnu c Library resolver (3) can also find IP addresses in files or through Network Information
It is easy to do a pan-resolution with the DNS service that Windows brings with it. But often novice directly add * 's host name can not add, thought not supported. The following provides a way for the DNS service with Windows to support pan-resolution. The following is an example of a test.com to ip:222.222.222.222.
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