DNS zones are not transferred to Slave server

Created:

2016-11-16 13:18:02 UTC

Modified:

2017-04-24 11:31:35 UTC

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DNS zones are not transferred to Slave server

Applicable to:

  • Plesk for Linux
  • Plesk Onyx for Windows
  • Plesk 12.5 for Windows

Symptoms

DNS zones are not transferred from master to slave server.

Connection from slave to master server is not possible through 53 port:

    # telnet 192.168.1.1 53
Trying 192.168.1.1...

Cause

  1. Firewall prevents connection on port 53.

  2. Connection has been blocked by SElinux policy.

Resolution

  1. Disable Selinux temporary to check if connection works, check Audit logs on both servers (/var/log/audit/audit.log):

    # setenforce 0
  2. Make sure that 53 port is not blocked by iptables on both servers.

  3. Make sure that 53 port is listened by named service:
    # netstat -ntpl | grep 53
    tcp 0 0 :::53 :::* LISTEN 1164/named
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