Named slave not updating

The above information is largely against lots of security and maintainability principles. Slave/Secondary DNS Server is a server which is like a Load balancer or Backup server of Master/Primary DNS Server, Its takes all DNS query Records/Zones from Master Server.[[email protected] ~]# cat /etc/nameserver 192.168.0.1 nameserver 192.168.0.2 This domain is using NS2 because NS1 is not active. Even the comments in those files tell you not to do it !We don't need to change any files on NS2 because all zone files are transferred from NS1 to NS2. www IN A 192.168.1.100 ftp IN A 192.168.1.100 [[email protected] ~]# named-checkzone /var/named/for zone elinuxbook.com/IN: loaded serial 2010031403 OK [[email protected] ~]# named-checkzone /var/named/rev zone elinuxbook.com/IN: loaded serial 2010031402 OK [[email protected] ~]# yum -y install bind Loaded plugins: fastestmirror, refresh-packagekit, security Setting up Install Process Loading mirror speeds from cached hostfile * base: centos.* extras: centos.* updates: centos.Resolving Dependencies -- Finished Dependency Resolution Dependencies Resolved ================================================================================ Package Arch Version Repository Size ================================================================================ Installing: bind x86_64 32:9.8.2-0.47.rc1.el6_8.3 updates 4.0 M Updating for dependencies: bind-libs x86_64 32:9.8.2-0.47.rc1.el6_8.3 updates 890 k bind-utils x86_64 32:9.8.2-0.47.rc1.el6_8.3 updates 187 k Transaction Summary ================================================================================ Install 1 Package(s) Upgrade 2 Package(s) Total download size: 5.0 M Downloading Packages: (1/3): bind-9.8.2-0.47.rc1.el6_8.3.x86_64| 4.0 MB (2/3): bind-libs-9.8.2-0.47.rc1.el6_8.3.x86_64| 890 k B (3/3): bind-utils-9.8.2-0.47.rc1.el6_8.3.x86_64| 187 k B ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Total 130 k B/s | 5.0 MB Running rpm_check_debug Running Transaction Test Transaction Test Succeeded Running Transaction Updating : 32:bind-libs-9.8.2-0.47.rc1.el6_8.3.x86_64 1/5 Updating : 32:bind-utils-9.8.2-0.47.rc1.el6_8.3.x86_64 2/5 Installing : 32:bind-9.8.2-0.47.rc1.el6_8.3.x86_64 3/5 Cleanup : 32:bind-utils-9.8.2-0.47.rc1.el6.x86_64 4/5 Cleanup : 32:bind-libs-9.8.2-0.47.rc1.el6.x86_64 5/5 Verifying : 32:bind-utils-9.8.2-0.47.rc1.el6_8.3.x86_64 1/5 Verifying : 32:bind-libs-9.8.2-0.47.rc1.el6_8.3.x86_64 2/5 Verifying : 32:bind-9.8.2-0.47.rc1.el6_8.3.x86_64 3/5 Verifying : 32:bind-libs-9.8.2-0.47.rc1.el6.x86_64 4/5 Verifying : 32:bind-utils-9.8.2-0.47.rc1.el6.x86_64 5/5 Installed: bind.x86_64 32:9.8.2-0.47.rc1.el6_8.3 Dependency Updated: bind-libs.x86_64 32:9.8.2-0.47.rc1.el6_8.3 bind-utils.x86_64 32:9.8.2-0.47.rc1.el6_8.3 Complete!Something is always changing on your network -- new workstations arrive, you finally retire or sell the relic, or you move a host to a different network. First we'll discuss how to make the changes manually. Actually, we recommend that you use a tool to create the zone data files -- we were kidding about that wimp stuff, okay?

Before configure the Slave/Secondary DNS Server we need to do some changes in our all Master/Primary DNS Server configuration files i.e.

[[email protected] ~]# chmod 777 -Rvf /var/named/mode of `/var/named/' retained as 0777 (rwxrwxrwx)mode of `/var/named/nanofibre.zone' retained as 0777 (rwxrwxrwx)mode of `/var/named/data' retained as 0777 (rwxrwxrwx)mode of `/var/named/slaves' retained as 0777 (rwxrwxrwx)mode of `/var/named/chroot' retained as 0777 (rwxrwxrwx)mode of `/var/named/chroot/doamin.zone' retained as 0777 (rwxrwxrwx)mode of `/var/named/chroot/var' retained as 0777 (rwxrwxrwx)mode of `/var/named/chroot/var/named' retained as 0777 (rwxrwxrwx)mode of `/var/named/chroot/var/named/data' retained as 0777 (rwxrwxrwx)mode of `/var/named/chroot/var/named/slaves' retained as 0777 (rwxrwxrwx)mode of `/var/named/chroot/var/tmp' retained as 0777 (rwxrwxrwx)mode of `/var/named/chroot/var/run' retained as 0777 (rwxrwxrwx)mode of `/var/named/chroot/var/run/named' retained as 0777 (rwxrwxrwx)mode of `/var/named/chroot/var/log' retained as 0777 (rwxrwxrwx)mode of `/var/named/chroot/dev' retained as 0777 (rwxrwxrwx)mode of `/var/named/chroot/dev/random' retained as 0777 (rwxrwxrwx)mode of `/var/named/chroot/dev/zero' retained as 0777 (rwxrwxrwx)mode of `/var/named/chroot/dev/null' retained as 0777 (rwxrwxrwx)mode of `/var/named/chroot/etc' retained as 0777 (rwxrwxrwx)mode of `/var/named/chroot/etc/localtime' retained as 0777 (rwxrwxrwx)mode of `/var/named/chroot/etc/rndc.key' retained as 0777 (rwxrwxrwx)[[email protected] ~]# service named restart Stopping named: [ OK ]Locating /var/named/chroot//etc/failed: [FAILED] Please help.

Thank you The worst that can happen as a result of using 777 permissions on a folder or even a file, is that if a malicious cracker or entity is able to upload a devious file or modify a current file to execute code, they will have complete control over your blog, including having your database information and password.

Domain Name Server (DNS) used for name resolving to any hosts.

Master DNS servers (Primary Server) are the original zone data handlers and Slave DNS server (Secondary Server) are just a backup servers which is used to copy the same zone information’s from the master servers.

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If they don’t have info about such requested query they will pass the request to the Top Level domain (TLD), if TLD say I don’t know the request, may be the authoritative server know your request, it will forward to authoritative servers, here only defined as address .56.

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