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NetApp Response to Russia-Ukraine Cyber Threat
In response to the recent rise in cyber threat due to the Russian-Ukraine crisis, NetApp is actively monitoring the global security intelligence and updating our cybersecurity measures. We follow U.S. Federal Government guidance and remain on high alert. Customers are encouraged to monitor the Cybersecurity and Infrastructure Security (CISA) website for new information as it develops and remain on high alert.

所有者的文件权限、组反映为 ONTAP 9 的 nfsnobody

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95
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Category:
ontap-9
Specialty:
nfs<a>nobody</a><a>1005972</a><a>nfsnobody</a>
Last Updated:

适用场景

  • ONTAP 9
  • Data ONTAP 8 
  • NFS

问题描述

  • 当 root 用户启动 touch 命令创建文件时、文件所有者、组设置为 nfsnobody (超级用户安全类型预设为 'any ' ):
    • ::> vserver export-policy rule show -vserver svm-ha -instance
      • 输出示例:
        • Vserver: svm-ha

Policy Name: default
Rule Index: 1
Access Protocol: any Client Match Hostname, IP Address, Netgroup, or Domain: 0.0.0.0/0
RO Access Rule: any
RW Access Rule: any
User ID To Which Anonymous Users Are Mapped: 65534
Superuser Security Types: any
Honor SetUID Bits in SETATTR: true

  • ls -la 命令输出将文件所有者、组反映为 nfsnobody :
    • root@db02:/netapp/coredb/ha>touch testfile
      root@db02:/netapp/coredb/ha>ls -la [Tue Aug 25 17:43:47.336 2015] total 12K
      drwxrwxrwx 2 root root 4096 Aug 25 17:43 .
      drwxr-xr-x 3 root root 4096 Aug 16 10:08 ..
      drwxrwxrwx 5 root root 4096 Aug 25 05:00 .snapshot
      -rw-r--r-- 1 nfsnobody nfsnobody 0 Aug 25 17:38 testfile

 

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