smbclient test for 445

While smbclient is primarily used for interacting with SMB shares (like listing shares or accessing files),, it can implicitly indicate if port 445 is open and accessible. If smbclient can successfully connect to an SMB share on a target system, it means port 445 is open on that system and allowing connections. How it works: When you use smbclient Read More …

FCS – Frame Check Sequence

A Frame Check Sequence (FCS) is an essential component in data communication protocols, serving as a method for error detection. It is a sequence of bits added to the end of a data frame, which allows the receiving device to verify the integrity of the data it has received. Understanding FCS is crucial for new Read More …

Notes :: Kubernetes

 Key topics include: Traditional vs. Kubernetes Challenges: Comparing the challenges of managing applications in traditional virtual machine environments versus containerized Kubernetes environments. Kubernetes Fundamentals: Defining Kubernetes, its origins, why it’s used, and key concepts like cluster architecture, API server, nodes, pods, and network policies. Kubernetes Security Fundamentals: Discussing control plane and data plane protection, including API protection, encryption, Read More …

LCP – Link Control Protocol

The Link Control Protocol (LCP) is a critical component of the Point-to-Point Protocol (PPP), which is widely used for establishing direct connections between two network nodes. LCP plays a vital role in the setup, configuration, and management of PPP connections, making it essential for ensuring reliable and efficient data transmission over point-to-point links. Establishing Connections Read More …

Hacker TV – All Your Devices Can Be Hacked

Avi Rubin is Professor of Computer Science at Johns Hopkins University and Technical Director of the JHU Information Security Institute. Avi’s primary research area is Computer Security, and his latest research focuses on security for electronic medical records. Avi is credited for bringing to light vulnerabilities in electronic voting machines. In 2006 he published a Read More …

Docker GPU Access

Docker containers can effectively allow access to the GPU, particularly through the use of the NVIDIA Container Toolkit, which enables Docker to communicate with NVIDIA GPUs.  This setup is essential for workloads such as AI/ML, deep learning, and data processing that require GPU acceleration to enhance performance.  To enable GPU acceleration, your machine needs a Read More …

IAM – Identity and Access Management

Identity and Access Management (IAM) in Amazon Web Services (AWS) is a service that enables users to manage access to AWS resources securely. IAM allows organizations to control who can access specific resources, what actions they can perform, and under what conditions. This is crucial for maintaining security and compliance in cloud environments. Key Features Read More …