94803 days on xHamster
41091M profile views
31878K subscribers
6861 comments left

Bind9 slave server not updating

In a chroot enviroment, BIND9 has access to all the files and hardware devices it needs, but is unable to access anything it should not need.

App Armor is installed by default on recent Ubuntu releases.

This is mentioned in the BIND9 documentation "allow-transfer ....

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

Unless you've explicitly disabled App Armor, you might want to read this before you decide to attempt a chrooted bind.

If you configure your registered domain to use A and B as your domain's DNS servers, then C is a Stealth Secondary.It's still a secondary, but it's not going to be asked about the zone you are serving to the internet from A and B If you configure your registered domain to use B and C as your domain's DNS servers, then A is a stealth primary.Any additional records or edits to the zone are done on A, but computers on the internet will only ever ask B and C about the zone. You can create a CNAME record pointing to another CNAME record.All that is required is simply combining the different configuration examples.There are also two other common DNS server setups (used when working with zones for registered domain names), Stealth Primary and Stealth Secondary.

Check permissions On slaves I would normally create a separate 'slaves' directory and set ownership of /var/named/slaves and /var/named/chroot/var/named/slaves to the named user via chown named /var/named/slaves Anyways, make certain that whatever user you run named as has WRITE permission to the directory /var/named since you are directing slave files to be placed there. There is no allow-transfer statement in the files on either server, so the default should be to allow. I've made sure that named user can create a file within the /var/named directory on the slave. With Springboard’s Data Science Career Track, you’ll master data science with a curriculum built by industry experts.

Please or register to post comments
If spammers comment on your content, only you can see and manage such comments Delete all
Bind Master Slave not updating. When I made a zone change and reloaded named, I did not see the server try to send any updates for the zone to the. 
22-Jun-2018 14:47
In response to a NOTIFY from a master server, the slave will check to see that its version of the zone is the current version and, if not, initiate a zone transfer. For more information about. BIND allows IP addresses and ranges to be specified in ACL definitions and allow-{ query transfer update } directives. This has been. 
22-Jun-2018 14:51
Var/cache/bind/slaves. Note this is probably a better location anyway really it's not ideal to give bind write access to it's own /etc directory since doing so allows someone to potentially alter your bind configuration if they somehow exploit bind safer to keep variable data somewhere else and let the server. 
22-Jun-2018 14:54
Dec 23, 2014. It is very important when troubleshooting dynamic updates on Unix BIND or MS DNS Servers to have DNS logging enabled, esp. to see the Update, Notify. the NS records do not list the correct hostnames for the slave DNS Servers; the hostnames in the NS records do not resolve to correct IP Addresses. 
22-Jun-2018 14:57
My largest client is getting annoyed at me, and I've tried to hack it into the code, but it's not working. Heres' the thing. User makes a. I've posted a comment to that bug explaining how to configure BIND to automatically update slave servers when a record changes on the master. Also, in the next Virtualmin. 
22-Jun-2018 14:59
May 4, 2017. allow-notify applies to slave zones only and defines a match list, for example, IP addresses 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 IPs. 
22-Jun-2018 15:02
Slave name servers will load this new data sometime within the time interval defined in the SOA record for refreshing their data. If all your slaves run a version of BIND newer than 4.8.1 and we pray you're not using 4.8.1 but older than BIND 9, you can take advantage of the special serial number zero. If you set a zone's. 
22-Jun-2018 15:05

Bind9 slave server not updating introduction

Bind9 slave server not updating

Recent posts

22-Jun-2018 19:26
23-Jun-2018 01:05
23-Jun-2018 09:21