resolve: do not hit CNAME or DNAME entry in NODATA cache
Bug #1822416 reported by
Frans van Berckel
This bug affects 14 people
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
systemd (Ubuntu) |
Fix Released
|
Undecided
|
Unassigned | ||
Bionic |
Fix Released
|
Undecided
|
Unassigned | ||
Disco |
Fix Released
|
Undecided
|
Unassigned | ||
Eoan |
Fix Released
|
Undecided
|
Unassigned | ||
Focal |
Fix Released
|
Undecided
|
Unassigned |
Bug Description
The question: DNS A record lookups fail to resolve due to cached CNAME NODATA lookups ...
Upstream at Github: Systemd issue 998 - Cached cname NODATA returned for A lookup ...
https:/
Please patch ...
https:/
tags: | added: 18.04 |
tags: | added: systemd-resolved |
Changed in systemd (Ubuntu Bionic): | |
status: | New → Confirmed |
assignee: | nobody → Eric Desrochers (slashd) |
tags: | added: st |
tags: |
added: sts removed: st |
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Extra question: is Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP, as pointed related?
https:/ /www.linode. com/community/ questions/ 17384/error- server- returned- error-nxdomain- mitigating- potential- dns-violation- dve-2018