NAS-131573 / 24.10.0 / Default to accept policy for IPv6 forward chain (by TheJulianJES) #14633
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(cherry picked from commit 1d6daa0)
Qubad786
approved these changes
Oct 8, 2024
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This PR restores IPv6 connectivity in VMs when enabling Docker.
It's basically the same as the following PR, but for IPv6:
The fix was confirmed working on TrueNAS Scale 24.10-RC.1 and 24.10-RC.2 systems.
The PR targets master / 25.04, but it should also really be backported to 24.10.
JIRA URL: https://ixsystems.atlassian.net/browse/NAS-131573
See both of my recent comments in the JIRA ticket for more details on the underlying issue: comment 1, comment 2.
This is the Moby GitHub issue tracking the underlying bug:
Like mentioned in the JIRA ticket above, an alternative approach would be to add
"ip6tables":falsehere to restore the behavior of previous Docker versions which do not modify the default policy toDROPfor IPv6.However, the "workaround" is already in place for IPv4, so I'd also use the same method for IPv6.
Original PR: #14632
Jira URL: https://ixsystems.atlassian.net/browse/NAS-131573