How to Configure USB Device Restriction via Group Policy on Windows Server 2012 R2 Removable storage devices represent a significant data exfiltration and malware introduction risk in any organization. USB flash drives, portable hard drives, and other removable media can bypass network-level security controls entirely. Windows Server 2012 R2 provides multiple mechanisms to restrict removable […]
How to Configure Windows Firewall Advanced Security via GPO on Windows Server 2012 R2 Windows Firewall with Advanced Security (WFAS) provides stateful packet inspection, inbound and outbound filtering, IPsec integration, and connection security rules. When managed via Group Policy, WFAS delivers consistent firewall configuration across all servers in the domain without requiring local administrator intervention […]
Deploying an application to Kubernetes involves creating a set of resource objects that describe the desired state of the application — Kubernetes continuously works to make the actual state match this desired state. The core resources for most applications are: a Deployment (manages the desired number of running pod replicas and handles rolling updates), a […]
How to Set Up Network Access Protection (NAP) on Windows Server 2012 R2 Network Access Protection (NAP) is a policy enforcement platform included in Windows Server 2012 R2 that evaluates the health state of client computers before granting them full network access. NAP can check whether clients have current OS patches, antivirus definitions, Windows Firewall […]
How to Enable FIPS Compliance on Windows Server 2012 R2 The Federal Information Processing Standard (FIPS) 140-2 specifies the security requirements for cryptographic modules used in federal government systems. Many organizations in regulated industries also adopt FIPS compliance to meet contractual requirements or demonstrate due diligence. On Windows Server 2012 R2, enabling FIPS mode restricts […]
How to Configure IPsec for Server-to-Server Encryption on Windows Server 2012 R2 Internet Protocol Security (IPsec) provides authentication and encryption at the IP layer, ensuring that traffic between servers cannot be intercepted or tampered with even if an attacker has gained access to the network segment. On Windows Server 2012 R2, IPsec is configured through […]
Kubernetes is the industry-standard container orchestration platform for automating deployment, scaling, and management of containerised applications across clusters of servers. While Kubernetes is typically set up using managed services (EKS, GKE, AKS) in cloud environments, installing it with kubeadm on bare-metal or on-premises servers provides full control over the cluster configuration. kubeadm is the official […]
How to Set Up RADIUS Authentication with NPS on Windows Server 2012 R2 Network Policy Server (NPS) is Microsoft’s implementation of a RADIUS (Remote Authentication Dial-In User Service) server and proxy, included with Windows Server 2012 R2. NPS centralizes authentication, authorization, and accounting for network access—including VPN connections, 802.1X wired and wireless connections, dial-up connections, […]
How to Configure Kerberos Constrained Delegation on Windows Server 2012 R2 Kerberos delegation allows a service running under a specific account to impersonate a user and access other network resources on their behalf. Unconstrained delegation is dangerous because a compromised account can be used to impersonate any user to any service in the domain. Constrained […]
How to Harden Active Directory Against Pass-the-Hash on Windows Server 2012 R2 Pass-the-Hash (PtH) is an attack technique in which an adversary captures an NTLM credential hash from one system and uses it to authenticate to other systems without knowing the actual password. Because NTLM hashes are reusable, a single compromised credential can lead to […]
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