Understanding NFSv4 Identity Mapping in NetApp ONTAP (AUTH_SYS and File Ownership Under the Hood)
NFSv4 introduced significant changes compared with NFSv3, including how file and directory ownership is represented between NFS servers and clients….
Passwordless Authentication in Linux – Part 3 – Certificate-Based and FIDO2 Authentication
After exploring certificate-based authentication and Passkeys on FIDO2 for Windows in Part 1 and Part 2, this third part takes…
Understanding Windows-to-UNIX User Mapping with UNIX Security Style in NetApp ONTAP
When Windows users access data stored on a NetApp ONTAP volume using UNIX security style, ONTAP must translate the Windows…
Understanding NFS AUTH_SYS User Mapping with NTFS Security Style in NetApp ONTAP
When NFS clients access data on a NetApp ONTAP volume using NTFS security style, ONTAP cannot simply evaluate the UNIX…
Passwordless Authentication in Windows – Logon and RDP without Passwords – Part 2 – FIDO2 Passkeys and Microsoft Entra Kerberos
In Part 1, we implemented passwordless authentication using certificate-based smart-card logon, storing the user’s authentication certificate and private key securely…
Passwordless Authentication in Windows – Logon and RDP without Passwords – Part 1- Certificate-Based Authentication
Passwords have been the traditional method for authenticating users to Windows systems for decades. However, passwords also introduce several security…
Understanding ICMP Redirects – Why Your Network Traffic Suddenly Takes a Different Route
When a host needs to communicate with a destination outside its local subnet, it normally forwards the packet to its…
Microsoft Hyper-V Networking Best Practices – Part 4 – Managing Hyper-V with SCVMM and Comparing It with VMware vCenter
So far, we have built and managed our Hyper-V environment using Hyper-V Manager, Failover Cluster Manager, and PowerShell. While these…
Microsoft Hyper-V Networking Best Practices – Part 3 – Configuring iSCSI Storage, Cluster Shared Volumes, and Live Migration
In Part 2, we configured the Hyper-V networking using Switch Embedded Teaming (SET) and created our two-node Failover Cluster. In…
Microsoft Hyper-V Networking Best Practices – Part 2 – Configuring Hyper-V Networking, SET, and Failover Clustering
In Part 1 of this series, we installed the Hyper-V role and prepared the lab environment by deploying a domain…
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Understanding NFSv4 Identity Mapping in NetApp ONTAP (AUTH_SYS and File Ownership Under the Hood)
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