This sounds like a bug. We should never update DNS with loopback addresses and I’m sure we at least had checks in place to prevent this. Can you file a ticket, please?
> On 3 Aug 2018, at 08:06, Kosseck, Adam MR <adam.koss...@defence.gov.au> wrote: > > UNOFFICIAL > > A number of DHCP linux workstation hosts in our environment were not updating > DNS. > Logs in SSSD showed that the Dynamic DNS child was failing with status 256. > Further investigation into the logs (with debug turned up past 5) showed that > the issue seems to be that SSSD is attempting to update both host and PTR DNS > records on the Windows DNS servers for the loopback address (127.0.0.1). > > Dyndns Config in /etc/sssd/conf.d/<file>.conf is: > > [domain/example.com] > Ad_hostname = host.fqdn > Dyndns_update = true > Dyndns_update_ptr = true > Dyndns_ttl = 3600 > Dyndns_iface = <adapter name> > > > have the following in their hosts file: > > # /etc/hosts > 127.0.0.1 localhost > 127.0.0.1 host.fqdn host > 198.168.x.x host.fqdn host > > Tested workstations are running SSSD 1.16.1 on Ubuntu 18.04.1 LTS. > > Removing the second 127.0.0.1 line and reloading SSSD resolved the issue. > I understand that having 127.0.0.1 against the FQDN is unusual, but this > “feature” is unfortunately required by a vendor product we are using. > Is it possible for SSSD dyndns logic to be updated so that it ignores > loopback IPs? > _______________________________________________ > sssd-users mailing list -- sssd-users@lists.fedorahosted.org > To unsubscribe send an email to sssd-users-le...@lists.fedorahosted.org > Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html > List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines > List Archives: > https://lists.fedoraproject.org/archives/list/sssd-users@lists.fedorahosted.org/message/GHM4IWSWDJCG65PI6ICVWU6XGRSVYFCD/ _______________________________________________ sssd-users mailing list -- sssd-users@lists.fedorahosted.org To unsubscribe send an email to sssd-users-le...@lists.fedorahosted.org Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/sssd-users@lists.fedorahosted.org/message/TPAY2DPFCOOP2TRDFNWILRUGUBL7TWGF/
