Page MenuHomeVyOS Platform

FQDN resolver uses IPv4 cache for failed IPv6 resolution
Closed, ResolvedPublicBUG

Description

Reported in Slack.

If IPv4 query is cached in domain resolver, the ipv4 cached addresses will be returned if ipv6 resolution fails.

Workaround for 1.4.2 and older: del firewall global-options resolver-cache

Details

Version
1.4, 1.5
Is it a breaking change?
Perfectly compatible
Issue type
Bug (incorrect behavior)

Event Timeline

sarthurdev changed the task status from Open to In progress.
sarthurdev claimed this task.
sarthurdev triaged this task as Normal priority.Apr 8 2025, 8:50 PM
sarthurdev updated the task description. (Show Details)
dmbaturin moved this task from Backlog to Finished on the VyOS 1.4 Sagitta (1.4.3) board.
dmbaturin moved this task from Backport Candidates to Completed on the VyOS Rolling board.