On Sun, 2024-01-28 at 08:12 +0000, Strahil Nikolov via users wrote: > I do control the DHCP and the DNS servers in my network and I did > manage to make the DHCP stop proposing 'domain-search' and yet > NetworkManager (after OKD update and my interventions with > /etc/resolv.conf systemd-resolved is no longer a factor) is still > assigning a search stanza in the /etc/resolv.conf on the hosts. > On the otherside , the CoreDNS (the stupid thing that appends the > search stanza from /etc/resolv.conf) is not under my control but I > can check. The search parameter is only supposed to be appended to a query if there is no answer for the query as it is, or if you just have a hostname (typically, a name with no dots in it) a fully qualified domain name is required to resolve the query. e.g. If my IP is 192.168.1.1 and I do reverse lookup on it, and find my hostname is feefiefum, further lookups can be done find my fully qualified domain name, or the lookup might have provided the whole thing with the first query. Or, if I already know my hostname is feefiefum, lookups can be done to find my fully qualified domain name, though a simple approach is to try appending the "search" name. So, something isn't providing full answers in the first place, and it's trying to find out some other way. You DHCP servers should be providing the full details required for your network (hostname and domain name), and your DNS servers should be providing the full answers for them. And hopefully your network is set up to query your own servers, first. In the old dhcpd.conf file, that would mean option domain-name "quay.io."; And if you have integrated DNS and DHCP for dynamic addressing, you'd also have a: ddns-domainname "quay.io."; The trailing dot is important. It means that it is the end of the chain. You should be assigning your clients hostnames, in other words your pc's full address could be "something.quay.io" not just "quay.io". Although quay.io is a hostname in the .io top level domain, it's a country TLD, and I doubt you're in control of "io". I see that quay.io exists; if it's not your domain then you're going to have a lot of pain trying to use it for your own purposes. Since you mentioned "quay.io" in your first post, your DNS server ought to have data for that domain. If it doesn't, then of course name resolution may try adding the suggested domain name suffixes. Again your DNS records should have an entry for the particular hostname your using in the zone file for that domain, and that zone file should have all the proper data for that domainname. -- NB: All unexpected mail to my mailbox is automatically deleted. I will only get to see the messages that are posted to the list. The following system info data is generated fresh for each post: uname -rsvp Linux 6.2.15-100.fc36.x86_64 #1 SMP PREEMPT_DYNAMIC Thu May 11 16:51:53 UTC 2023 x86_64 -- _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue
