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Feature #13023

closed

DNS Resolver option to keep probing when servers are down

Added by Marcos M over 2 years ago. Updated over 2 years ago.

Status:

Resolved

Priority:

Normal

Assignee:

Marcos M

Category:

DNS Resolver

Target version:

2.7.0

Start date:

Due date:

% Done:

100%

Estimated time:

Plus Target Version:

22.05

Release Notes:

Default

Description

When servers are down and in the "blocking regime", they are currently probed every 15 minutes which is a relatively long time for recovery. Setting infra-keep-probing: yes as default will help significantly reduce recovery time.

https://unbound.docs.nlnetlabs.nl/en/latest/manpages/unbound.conf.html#term-infra-keep-probing-yes-or-no
https://unbound.docs.nlnetlabs.nl/en/latest/reference/history/info-timeout-server-selection.html

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Updated by Marcos M over 2 years ago

Subject changed from Add DNS Resolver optin to keep probing when servers are down to Add DNS Resolver option to keep probing when servers are down
Status changed from New to Pull Request Review
Target version set to 2.7.0
Plus Target Version set to 22.09

I've been running this option for months and it's helped whenever there are ISP issues.

https://gitlab.netgate.com/pfSense/pfSense/-/merge_requests/703

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Updated by Marcos M over 2 years ago

Status changed from Pull Request Review to Feedback
% Done changed from 0 to 100

Applied in changeset 8490fdae1718e802d10f25729a41f55bb52dcd5f.

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Updated by Jordan G over 2 years ago

running 22.05.a.20220409.0600 the option for "Keep probing servers that are down" was default selected in Services>DNS Resolver>Advanced Settings

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Updated by Jim Pingle over 2 years ago

Subject changed from Add DNS Resolver option to keep probing when servers are down to DNS Resolver option to keep probing when servers are down
Plus Target Version changed from 22.09 to 22.05

Updating subject for release notes.

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Updated by Chris Linstruth over 2 years ago

After updating to today's snapshot:

1. The Keep probing advanced option was present
2. The Keep probing advanced option was checked by default
3. unbound.conf contained infra-keep-probing: yes
4. Unbound was running and resolving queries

After unchecking the box and save/apply:

1. The option remained unchecked
2. unbound.conf contained infra-keep-probing: no
3. Unbound was running and resolving queries

Checking the box again and save/apply:

1. Reverted to enabled.

Looks good. No testing was done as to the efficacy of the unbound option itself.

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Updated by Jim Pingle over 2 years ago

Status changed from Feedback to Resolved
Assignee set to Marcos M

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pfSense

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Feature #13023

DNS Resolver option to keep probing when servers are down

Updated by Marcos M over 2 years ago

Updated by Marcos M over 2 years ago

Updated by Jordan G over 2 years ago

Updated by Jim Pingle over 2 years ago

Updated by Chris Linstruth over 2 years ago

Updated by Jim Pingle over 2 years ago