Re: сообщения в freshclam.log

Sohin Vyacheslav <[email protected]>
Newsgroups gmane.linux.debian.user.russian
Message-ID <[email protected]>

23.12.2019 12:29, Victor Wagner пишет:
> On Mon, 23 Dec 2019 12:17:00 +0200

> Есть у меня подозрение, что хоста *.ping.clamav.net не существует и
> никогда не существовало. А есть DNS-запись с
> типом TXT daily......ping.clamav.net,
> проверяя которую clamav узнает, появились ли новые обновления базы.
> 
> И скорее всего проблемы с резолвингом этой записи связаны с тем, что
> ваш роутер некорретктно работает с TXT-записями.

Нашел такую инфу:
https://www.mail-archive.com/[email protected]/msg47484.html

Freshclam has a feature to do a DNS query for domain names of the form:
         <databasename>.<clam functionality level>.<success?>.<host is on
WIndows>.<hex IPv4 address of mirror>.ping.clamav.net

и

It is of course not a real host in our domain, but instead the query 
gets logged and that provides an extremely low cost method for getting 
basic telemetry on the performance of mirror infrastructure.

I think the "Can't query" error is new and indicates some infrastructure 
change or potential issue with the server that had been the sink for the 
DNS lookups (ns4.clamav.net (?)).

On a related note, the next feature release of ClamAV has a significant 
update to freshclam.  A part of that is removing this "ping.clamav.net" 
DNS query feature.


--
BW,
Vyacheslav
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