That exact filename does not exist. The correct filename is all-2.0.tar.gz (or a variant), and it is only downloadable through an official Tenable account after registering for a free Essentials license or having a paid subscription.
While "all-2.0" was a common naming convention for the plugin set, the actual content of the file changes every few hours as new vulnerabilities are added. Why "Free" Downloads are Dangerous
在页面中，你需要输入前面从 断网服务器 获取的两个关键数据： download nessusupdateplugins all20targz free
By following this guide, you'll maintain a fully updated Nessus scanner even in the most restricted environments, ensuring your vulnerability assessments remain accurate and reliable against the ever-evolving threat landscape.
: Choose your Nessus product (e.g., Nessus Professional) and the appropriate version. That exact filename does not exist
掌握 all-2.0.tar.gz 文件的下载与离线更新方法，是每一个内网安全评估人员的必备技能。它能够帮助你在网络隔离、网络延迟高等极端环境下，确保 Nessus 始终保持最新的漏洞检测能力，为你的网络安全保驾护航。
What (Linux or Windows) is your scanner running on? If you are a student, hobbyist, or independent
If you are a student, hobbyist, or independent researcher, you can use completely free of charge.