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Re: [tor-bugs] #23113 [Core Tor/Tor]: Downgrade "All nameservers have faled" warning
#23113: Downgrade "All nameservers have faled" warning
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Reporter: teor | Owner:
Type: defect | Status: new
Priority: Medium | Milestone: Tor: 0.3.2.x-final
Component: Core Tor/Tor | Version: Tor: 0.2.6.10
Severity: Normal | Resolution:
Keywords: dns | Actual Points:
Parent ID: | Points: 1
Reviewer: | Sponsor:
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Description changed by teor:
Old description:
> We should downgrade this warning when it only happens for a short period
> of time (or a small number of requests), or when it happens in response
> to a malformed request.
>
> This warning is causing operators to make sub-optimal DNS server choices:
> for example, avoiding using a local cache in favour of remote resolvers.
>
> Sometimes changing the local resolver makes a difference:
> https://trac.torproject.org/projects/tor/ticket/1936#comment:12
>
> Sometimes it happens in response to malformed requests:
> https://trac.torproject.org/projects/tor/ticket/11600#comment:6
>
> Sometimes it's harmless:
> https://trac.torproject.org/projects/tor/ticket/11600#comment:7
New description:
We should downgrade this warning when it only happens for a short period
of time (or a small number of requests), or when it happens in response to
a malformed request.
This warning is causing operators to make sub-optimal DNS server choices:
for example, avoiding using a local cache in favour of remote resolvers.
Sometimes changing the local resolver makes a difference:
https://trac.torproject.org/projects/tor/ticket/1936#comment:12
Sometimes it happens in response to malformed requests:
https://trac.torproject.org/projects/tor/ticket/11600#comment:6
Sometimes it's harmless:
https://trac.torproject.org/projects/tor/ticket/11600#comment:7
Because it's followed by:
{{{
[notice] eventdns: Nameserver <ISP-resolver2>:53 is back up
}}}
--
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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23113#comment:1>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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