MetaDefender Core
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MetaDefender Core
Knowledge Base
v5.12.1
Configuration and Settings
Can local AVs interrupt ongoing scans?
Can I create new workflows?
Can I control access to the RAM disk in MetaDefender Core v5?
Can I view configuration changes on the Core side (audit)?
How can I add a mail server to the Core deployment?
How do I prevent Symantec Endpoint Protection from interfering with the optimal functioning of MetaDefender Core?
How can I find a sanitized file scanned with MetaDefender Core v5?
What is the retry mechanism for MetaDefender Core connecting to the remote Postgres Database?
How to use MetaDefender Core V5 Blocklist/Allowlist feature?
How can I configure the maximum queue size in MetaDefender Core v5 ?
How do I remove an engine from my MetaDefender instance?
How can the Temp folder be changed?
How can I increase parallel count and Max queue size?
How can I change MetaDefender Core Deep CDR's timeout settings?
My scans keep failing due to an exceeded archive file number, how do I determine the number of files in an archive and then configure my process settings accordingly?
Why are password protected archives blocked and how do I unblock them?
How to disable WEB UI file scan without user authentication?
How To Allow Only Certain Files to be Scanned with MetaDefender Core?
How to generate an API key on the Core deployment?
How to Modify the Hostname of Your MetaDefender Core Server and Potential Impact?
What are the permissions on the shared folder for the temp directory?
How to implement a numerical escape function for HTML?
How to reset password for users?
How to Block/Allow Custom Extensions using RegEx?
How to migrate MetaDefender Core from PostgreSQL local to PostgreSQL remote?
How to change Core Web Management Interface Address Port?
Errors and Troubleshooting
Why is MetaDefender Core unable to connect to the database?
What can I do if MetaDefender shows a high number of files that failed to scan?
What should I do if an engine is in "failed" or "permanently failed" status?
What are the engine clean-up instructions?
Why is the scan stuck in "processing" state on WebScan UI, when the Core Processing History shows that it is already finished?
Why have the ESET and Kaspersky scan engines failed to initialize on the hardened Linux OS?
Why has the Symantec custom engine failed to deploy?
What are common reasons for Deep CDR scan/sanitization failures and how do I fix them?
What do the various error messages mean in MetaDefender Core RestAPI?
Why are some modules not appearing in my MetaDefender Core inventory?
Why does my MetaDefender Core install fail?
Why do you sometimes see a discrepancy between the File Type and MIME Type information?
Why files are not sanitized?
Why am I receiving a “400” error for API file submission?
How to Mitigate Scan Failures in MetaDefender Core Triggered by Real-Time Protection Systems?
How to Resolve MetaDefender Core Service Start-up Failures on IPv6-Disabled Linux Systems?
How to Understand OPSWAT's Multiscanning AV Detection Differences Compared to Other Scanners?
How to Troubleshoot Inaccessible Management Console?
Features and Functionality
How to Use a RAMDISK for the tempdirectory?
What features of MetaDefender Core version 3 are available in version 5 ?
Why does ClamAV seem to be slower than other engines?
What temporary folder do Custom Engines use ?
What PDF file annotations are Supported/Non-Supported by MetaDefender Core’s Deep CDR?
What does "Potentially Vulnerable File" result mean?
What CAB files are Supported/Non-Supported by MetaDefender’s Deep CDR?
What are the MetaDefender Core Security Policies and how do they work?
Is Metadefender Core compromised while scanning files?
What is the Queue Mechanism on Metadefender Core?
How does the Post Actions feature work?
How does the External Scanners feature work?
How do I generate and save a MetaDefender Core scan result summary in JSON format?
How and why are my image files altered during processing with Deep CDR and Proactive DLP?
Does MetaDefender Core v5 offer real-time antivirus protection on the system where it is installed?
Does MetaDefender Core v5 Detect the NotPetya Ransomware?
Are there any limitations to the MetaDefender Core scan engines?
Can MetaDefender Core block renamed files (such as renamed .exe files)?
How can I export the processing history from the Core console?
I forgot my login password, what can I do?
How to Utilize YARA Rules with MetaDefender Core?
What is the Design of MetaDefender Core and Its Protective Measures?
What does the items sanitized/removed count in Deep CDR sanitization report mean?
Why image sanitization doesn't report any object in details?
What are the requirements to process XDW/XBD/XCT files with CDR?
How do we utilize API uploads so the correct file type and sanitization occurs every time?
Feedback and Support
How do I obtain a Trial License for MetaDefender Core?
How long is the support lifecycle for a specific version of MetaDefender Core?
How do I get a False Detection (False Positive or False Negative) corrected?
Licensing, Setup and Deployment
What dependencies does MetaDefender’s Deep CDR for Linux have?
What links, target-services or target host-IPs need to be allowed for Metadefender Core to function accurately?
How do I set up exclusions on my anti-malware software to prevent disruption of the MetaDefender Core scanning process, when my corporate policy does not allow it?
How do I deploy MetaDefender Core to an offline Windows environment?
How do I deploy MetaDefender Core to an offline Linux environment?
Does the Deployment ID change at any time?
How do I activate my offline deployment of MetaDefender Core?
How do I activate/deactivate a MetaDefender Core Deployment via API calls?
How do I update to a new license key on a Metadefender Core server?
What types of licenses are available for MetaDefender Core?
After license renewal does the product activation happen automatically (if the license key is the same)?
How to install .NET 6 Runtime dependencies on Linux Distributions?
What are the List of folders that should be removed after MetaDefender Core uninstallation on Linux?
How to connect LDAP via SSL on Linux
How to Backup and Restore standalone database for MetaDefender Core?
How to install msttcore-fonts on Linux systems?
Testing MetaDefender Core
Is there a virus test I could use to test MetaDefender Core engines?
How do I check if "noexec" flag exists on a Linux OS?
How can I run tests to see the different scan results on MetaDefender Core?
Updates, Patches and Bug Fixes
Are scan engine updates automatic?
What operating system patches should be applied to the system hosting MetaDefender Core?
How do I check the update status of MetaDefender Core’s licensed AV scan engines?
What is the frequency of signature/definition updates on MetaDefender Core?
Why does the Deep CDR engine keep failing to update?
What Happens After the Discontinuation of Kaspersky Support for Windows and Linux?
How to Troubleshoot an Error related to Connection to Database Failing after an Upgrade to v5.11.0?
Does a CVE affect MetaDefender Core?
End-of-Life Support for CentOS 7 and RedHat 7 in MetaDefender Core and Engines
Version Upgrades
Are MetaDefender Core v5 upgrades free?
Are MetaDefender Core version upgrades automatic?
How do I manually upgrade to the latest MetaDefender Core version?
What is the latest MetaDefender Core version?
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