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Regression #14368

closed

Intermittent DNS failures

Added by Doug Miles over 1 year ago. Updated over 1 year ago.

Status:
Duplicate
Priority:
Normal
Assignee:
-
Category:
DNS Resolver
Target version:
-
Start date:
Due date:
% Done:

0%

Estimated time:
Plus Target Version:
Release Notes:
Default
Affected Version:
Affected Architecture:

Description

When DNS Resolver is set to forwarding mode and "Use SSL/TLS for outgoing DNS Queries to Forwarding Servers" is enabled, there are intermittent failures. I can't replicate it on demand, but I've noticed it most on iOS devices, often when opening the App Store and it said it is unable to connect. In the past, it does seem that macOS/iOS tends to cache and hang on to failed DNS resolutions, so maybe that's why I see it more there.

Anyway, this issue is discussed in the posts below:

Related issues

Is duplicate of Bug #14056: DNS Resolver experiences intermittent resolution failures with SSL over TLS due to ASLRClosedChristian McDonald

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