Bind9 slave not updating

The allow-update in the first zone clause could have been omitted since it is the default behavior.Many people like to be cautious in case the default mode changes. The slave works to resolve names that are in the zone files that are on the master, but it does not copy the zone files to itself. It was attempted with selinux disabled on both machines. I guess it would be good to show the files and at least the forward zone file.. ********************************** options ; ; zone "" IN ; zone "" IN ; zone "" IN ; zone "." IN ; zone "localhost." IN ; zone "" IN ; ********************************** ; ; Zone file for ; $TTL 86400 Check iptables to ensure port 53 is open on all servers, both UDP and TCP. on each of your zone configurations, make sure you allow-transfer from each of your nameserver IPs; if you have no allow-transfer statement, you are OK, since the default is to allow it from all IP addresses. to test # su named -s /bin/sh $ cd /var/named $ touch $ rm Or with bind-chroot assuming ROOTDIR=/var/named/chroot (the default) # su named -s /bin/sh $ cd /var/named/chroot/var/name Thanks for your reply. I restarted the named service but there are still no zone files on the slave. ( 2012053011 ; Serial 1d ; refresh 2h ; retry 4w ; expire 1h ) ; min cache ; ; Network Hosts ; fajita IN A Cent OS1 IN A endgame IN A ************************** 1. Or, if you are running bind-chroot named /var/named/chroot/var/named Bind needs write permission access to whatever directory you put slave files in, in order to create the files in it. I've made the changes to both files on each server.This statement is mutually exclusive with update-policy and applies to master zones only.The example shows DDNS for three zones: the first disables DDNS explicitly, the second uses an IP-based list, and the third references a key clause.allow-notify applies to slave zones only and defines a match list, for example, IP address(es) that are allowed to NOTIFY this server and implicitly update the zone in addition to those hosts defined in the masters option for the zone.The default behaviour is to allow zone updates only from the masters IP(s).

If not specified, the default is to allow transfers to all hosts.

If none, issue a "rndc reload" or restart of the slave and see if there are any warnings.

Best common practice with zone transfers is to limit them; it's not a serious security breach though, unless you are putting private data in your DNS zone.

From BIND9.10 the statement also allows the use of a Diff Serv Differentiated Service Code Point (DSCP) number (range 0 - 95, where supported by the OS) to be used to identify the traffic classification.

The following example shows an IPv4 name server which will be sent NOTIFY on port 53 (default) and the second refers to a list of servers defined in a masters clause each of which will use port 2034: also-notify defines a list of IP address(es) (and optional port numbers) that will be sent a NOTIFY when a zone changes (or the specific zone if the statement is specified in a zone clause).

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