Open your command-line interface (CLI) on the machine running Nessus.
After the command completes, Nessus will begin "Processing Plugins." This can take anywhere from 10 to 30 minutes depending on your hardware. while this is happening.
这条命令会解压并处理插件包，将它们安装到正确的位置。 download nessusupdateplugins all20targz new
: On your Nessus scanner, run the following command to get your unique challenge code: /opt/nessus/sbin/nessuscli fetch --challenge
The all-2.0.tar.gz file is the lifeblood of an offline Nessus scanner, ensuring your isolated infrastructure remains protected against the newest emerging threats. Always avoid third-party download mirrors and stick strictly to the official Tenable Offline Portal to guarantee the integrity and validity of your vulnerability data. Open your command-line interface (CLI) on the machine
The all-2.0.tar.gz file is unique to the Challenge Code used. You cannot use a download generated for "Scanner A" to update "Scanner B."
On your offline Nessus host, open your command terminal and execute the management tool to register an offline asset: You cannot use a download generated for "Scanner
In an offline environment, this direct connection is impossible. Tenable addresses this by packaging its entire, current plugin library into a single compressed archive named all-2.0.tar.gz . Key Characteristics:
What (Linux, Windows, or macOS) is your offline Nessus scanner running on?
一个简单的自动化思路是：在有一台能够访问互联网的机器上设置计划任务（Cron Job），定期下载最新的 all-2.0-YYYYMMDD.tar.gz 插件包，然后通过安全通道（如SSH + SCP）将其推送到离线Nessus服务器，并远程执行上述的更新命令。
Transfer to scanner via secure copy: scp nessus-plugins-all.tar.gz user@scanner:/tmp/