zmfreshclamctl is not running Blocked by CDN
zmfreshclamctl is not running Blocked by CDN, problem ini muncul ketika Mail server Zimbra tidak bisa mendownload update incremental database virus ClamAV terbaru dikarenakan IP Public yang digunakan Zimbra terblock oleh server ClamAV. ketika di cek pada log /opt/zimbra/log/freshclam.log akan muncul error seperti berikut.
freshclam daemon 0.103.3 (OS: linux-gnu, ARCH: x86_64, CPU: x86_64)
ClamAV update process started at Fri Oct 31 00:10:17 2025
WARNING: Your ClamAV installation is OUTDATED!
WARNING: Local version: 0.103.3 Recommended version: 1.0.9
DON'T PANIC! Read https://www.clamav.net/documents/upgrading-clamav
daily database available for update (local version: 21466, remote version: 27808)
WARNING: downloadPatch: Can't download daily-21467.cdiff from https://database.clamav.net/daily-21467.cdiff
WARNING: Incremental update failed, trying to download daily.cvd
WARNING: Can't download daily.cvd from https://database.clamav.net/daily.cvd
WARNING: FreshClam received error code 403 from the ClamAV Content Delivery Network (CDN).
This could mean several things:
 1. You are running an out-of-date version of ClamAV / FreshClam.
    Ensure you are the most updated version by visiting https://www.clamav.net/downloads
 2. Your network is explicitly denied by the FreshClam CDN.
    In order to rectify this please check that you are:
   a. Running an up-to-date version of FreshClam
   b. Running FreshClam no more than once an hour
   c. If you have checked (a) and (b), please open a ticket at
      https://bugzilla.clamav.net under the 'Mirrors' component
      and we will investigate why your network is blocked.
ERROR: Database update process failed: Forbidden; Blocked by CDN
ERROR: Update failed.
WARNING: FreshClam was forbidden from downloading a database.
WARNING: This is fatal. Retrying later won't help. Exiting now.
Solusi zmfreshclamctl is not running
Ada beberapa solusi diantaranya.
Solusi 1. Mengganti IP Public.
Solusi 2. Membuat mirror update ClamAV – gratis (https://github.com/Cisco-Talos/cvdupdate)
Solusi 3. Menggunakan mirror update pihak ketiga – berbayar
Untuk mengurangi banyak perubahan pada server Zimbra. Saadwebid menyediakan layanan mirror update ClamAV untuk Zimbra atau Server dengan ClamAV lainnya, agar ClamAV selalu update dengan database terbaru. Untuk informasi lebih lanjut bisa menghubungi melalui kontak WhatsApp di pojok kanan bawah.
