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Zextras Carbonio 23.6.0
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Carbonio Community Edition
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Suite for Zimbra
- Zextras Suite documentation
- Introduction
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- Licencing of Zextras Suite
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- Changelog for Zextras 3.1.x releases
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This section describes how to manage the ClamAV Anti-Virus engine.
Updater for ClamAV Signatures
ClamAV’s capabilities include the ability to load external signatures, which are lists of virus hashes or fingerprints grouped into a signature database and used to detect a greater variety of potential threats conveyed over e-mail.
ClamAV may use a variety of signature providers, the majority of which are licenced as Open Source; nevertheless, employing numerous signature databases may not necessarily result in a greater precision of the ClamAV engine. Indeed, utilising too many signature databases may result in false positives, labelling innocent e-mails as malware and sending them to quarantine or deletion. Furthermore, because the signatures are put into RAM to enable for speedier tests, this might result in excessive CPU consumption and, in the event that a DB or a signature is damaged or not 100% compliant, failure of the entire ClamAV engine.
As a result, Carbonio obtains signatures from a security partner that are certified to be 100% compatible with ClamAV, lowering the possibility of false positives. Carbonio uses a system service called carbonio-avdb-updater to keep the signatures up to date.
Log in to the Proxy Node, then update the list of packages to ensure the most recent version is picked up, then install the updater.
The service should begin immediately, and you may monitor its status via
Start the service manually if it is not already running.
Check the Signature Status
You can examine the service log to ensure that the service is operational and that signatures are up to current.
If the signatures are changed, you will see a block in the log that looks like this:
The S T A R T I N G and F I N I S H E D messages, which signify the beginning and successful completion of the signature update process, are crucial. If no update is available and downloaded, the following two messages appear: