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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.

所有者のファイル権限、グループは ONTAP 9 の NFSobody として反映されます

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nfs<a>nobody</a><a>1005972</a><a>nfsnobody</a>
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環境

  • ONTAP 9
  • Data ONTAP 8 
  • NFS

問題

  • root ユーザが touch コマンドを入力してファイルを作成すると、ファイル所有者、グループは nfsnobody に設定されます(スーパーユーザのセキュリティタイプは「 any 」にプリセットされています)。
    • ::> vserver export-policy rule show -vserver svm-ha -instance
      • 出力例:
        • 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 コマンドの出力には、ファイル所有者、グループが nfsnobody として反映されます。
    • 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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