Citeren "Scott A. Wozny via clamav-users" <[email protected]>:
One caveat with that suggestion is that if you move off of freshclam
to do your signature retrieval with wget, you give up the
efficiencies of just downloading the first 512 bytes of each DB file
to see if it's been updated and, if not, going back to sleep until
the next check. Using wget you go from a few KB of bandwidth per
server per check to hundreds of MB for each update on each server.
If you don't care about bandwidth and disk I/O, then this difference
won't matter to you, but if it does, just be aware of the difference.
The --timestamping option of wget will fix that for you and will only
download the file if the timestamp of the remote file changes:
wget --timestamping http://database.clamav.net/daily.cvd
Alternatively, you could emulate what freshclam does and curl the
first 512 bytes, do the comparative version checking and then
sleeping or doing the full download. But once you get to that
point, you're practically rewriting freshclam and then the option of
reaching out to the devel list to modify freshclam to fit your needs
for a custom build starts to become a comparable amount of work.
Scott
________________________________
From: clamav-users <[email protected]> on behalf
of G.W. Haywood via clamav-users <[email protected]>
Sent: March 23, 2020 12:32 PM
To: ClamAV users ML <[email protected]>
Cc: G.W. Haywood <[email protected]>
Subject: Re: [clamav-users] PrivateMirror set on client machine.
Disable cld downloads
Hi there,
On Mon, 23 Mar 2020, vin9999 via clamav-users wrote:
... how can we disable .cld downloads? ...
Use something else to download the files?
Presumably you use freshclam to keep the private mirror up to date,
but there is nothing which forces you to use freshclam to copy files
from the private mirror to its clients. A utility like 'wget' could
do what you need.
--
73,
Ged.
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