: The first plugin update after a fresh installation is typically much larger and takes longer than subsequent incremental updates.
: The download_nessus_update_plugins_all_20.tar.gz file likely contains an update to the Nessus plugins. The "all" in the filename could imply that this archive includes a comprehensive set of plugins, possibly covering all available checks up to a certain date or version (in this case, version 20). download nessusupdateplugins all20targz new
wget -c https://plugins.nessus.org/v2/nessusupdateplugins_all20.tar.gz : The first plugin update after a fresh