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Notable Changes

Note: Changes should be grouped by release and use these icons:

  • Added: ➕
  • Changed: 🌌
  • Deprecated: 👇
  • Removed: ❌
  • Fixed: 🐛
  • Security: 🛡

Version 1.0.2

🐛 Fixed a Python 3.6 compatibility issue in the package version check.

Version 1.0.1

🐛 Fixed a bug where the CVD-Update PyPI package version check prints an error message on some systems where pip doesn't return the available package versions.

Version 1.0.0

➕ Added a check to make sure that version check for the daily, main, and bytecode databases are done using DNS when downloading from database.clamav.net.

CVD-Update, like FreshClam, is capable of checking with an HTTP Range request which only downloads the CVD header to check the version. This doesn't use much data, but the CDN does not appear to differentiate between whole and partial downloads for tracking download activity.

The requirement to use DNS for the version check is to reduce CDN costs and should reduce the chance that the user is rate-limited or blocked by the CDN for downloading these files too frequently.

➕ Added a PyPI package version check when running cvd update to encourage users to update when there is a new version.

🐛 CVD-Update now requires dnspython version 2.1.0 or newer. This fixes compatibility issues with older dnspython versions. Special thanks to Byron Collins for this fix.

🐛 Added explicit timeout for the DNS resolver. This fixes a DNS query issue on some systems. Special thanks to Colin Tilley for this fix.

🐛 Fixed a bug when pruning older CDIFFs where the CDIFF files were already removed by the user.

Version 0.3.0

➕ cvd update will now retry up to 3x if the downloaded content length is less than the content-length in the response header. This is to resolve issues with flakey connections.

➕ cvd update now has a --debug-mode (-D) option to print out the HTTP headers to debug issues with the update process.

➕ The update process will now save the DNS TXT record containing version metadata as dns.txt in the database directory so it may be served by the private mirror.

Some common check scripts (on clients) use dns.txt to check if ClamAV is up to date instead of using DNS or the HTTP CVD-header check.

🌌 CVDUpdate will now have a unique User-Agent: CVDUPDATE/<version> (<UUID>)

The UUID is randomly generated, and will help with anonymous usage metrics.

🐛 Fixed a couple issues with the cvd update <specific database> option.

Version 0.2.0

Added

➕ Two ways to set a custom DNS nameserver. DNS queries are required to check the latest available database versions.

  1. Set the nameserver in the config. Eg:

    cvd config set --nameserver 208.67.222.222
cvd update

  2. Set the environment variable CVDUPDATE_NAMESERVER. Eg:

    CVDUPDATE_NAMESERVER="208.67.222.222" cvd update

🐛 Error handling so dns update fails if a DNS query fails.

Acknowledgements

Special thanks to Michael Callahan for adding the custom nameserver feature.

Version 0.1.0

First release!