Hi Sun, Main.cld is the decompressed version of main.cvd. The .cld version is generated when the .cvd version gets an update using .diff update files. It is a more efficient mechanism than downloading the entire database to update. This is most common with the daily database, and less common with the bytecode and main databases.
It’s possible to get the databases either on your webserver or ClamAV clients in a state where it has both .cld and .cvd files, particularly when configuring a private mirror. For the client, you would see a complaint about the duplicate databases because it knows you only need one. We have some documentation on setting up private local mirrors here: http://www.clamav.net/documents/private-local-mirrors Truthfully I am less familiar with setting up private mirrors than others on the list, so if you have any specific questions, some others may chime in. Cheers, Micah Micah Snyder ClamAV Development Talos Cisco Systems, Inc. From: clamav-users <clamav-users-boun...@lists.clamav.net> on behalf of Sunhux G via clamav-users <clamav-users@lists.clamav.net> Reply-To: ClamAV users ML <clamav-users@lists.clamav.net> Date: Monday, February 25, 2019 at 10:05 AM To: ClamAV users ML <clamav-users@lists.clamav.net> Cc: Sunhux G <sun...@gmail.com> Subject: [clamav-users] PrivateMirror : freshclam messages Our setup: 1) have freshclam download via Internet on a Solaris 10 x86 server in DMZ 2) an ex-colleague who left us served out cvd/cld via httpd on this Solaris server 3) have internal RHEL7 freshclam try to update from that Solaris httpd server using the private mirror In the internal RHEL7's, /etc/freshclam.conf line: PrivateMirror that_Solaris_hostname & in RHEL7's /etc/hosts IP_of_Solaris that_Solaris_hostname On RHEL7, when we ran 'freshclam', got the messages below: [root@frclamclient etc]# freshclam ClamAV update process started at Mon Feb 25 17:10:03 2019 Reading CVD header (main.cld): WARNING: main.cld not found on remote server <== is this crucial?? Reading CVD header (main.cvd): OK main.cvd is up to date (version: 58, sigs: 4566249, f-level: 60, builder: sigmgr) Reading CVD header (daily.cld): OK daily.cld is up to date (version: 25370, sigs: 2259916, f-level: 63, builder: raynman) Reading CVD header (bytecode.cld): OK bytecode.cvd is up to date (version: 328, sigs: 94, f-level: 63, builder: neo) Are we missing something with main.cld?? Thanks Sun
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