Basic knowledge

IP Forwarding is an important feature in computer networking, allowing network devices to forward packets from one network to another.

SNI (Server Name Indication) is an extension of the TLS (Transport Layer Security) protocol, developed based on the SSL (Secure Sockets Layer) standard.

OLAP focuses primarily on analyzing aggregated data, while OLTP focuses on processing transactions on the database.

How to set up centralized log monitoring with ELK Stack / Graylog / Splunk is a hot topic in the field of system management and information security.

The red team represents cybersecurity experts who attack an organization's network defenses to uncover vulnerabilities.

TB, Gb, MB, KB, Byte,... are all units of measurement of data capacity for files, folders, storage devices.

The TFTP (Trivial File Transfer Protocol) is a simple file transfer protocol at the application layer in the TCP/IP model.

DHCP (Dynamic Host Configuration Protocol) is a network protocol used to automatically configure IP for network-connected devices.

VPN Tunnel is an encrypted connection between your device and the VPN server. Neither hackers nor Internet service providers can access your data without the password.

Reverse Address Resolution Protocol (RARP) is a network protocol used to map a device's Media Access Control (MAC) address to its corresponding Internet Protocol (IP) address.

Using the ipconfig command is one of the simplest ways to find your device's IP address.

CSMA/CA stands for Carrier Sense Multiple Access/Collision Avoidance is a protocol used to control access to a network medium.

DNS 8.8.8.8 is a free DNS server service provided by Google

STP prevents loops in LANs, which is extremely important for maintaining network performance and stability.

PSTN stands for Public Switched Telephone Network.

SRV Record is a type of DNS record that allows to identify the location of specific services running on a server.

Uptime tiers are developed and standardized by the Uptime Institute. Each level from Tier 1 to Tier 4 corresponds to a different level of availability.

An artificial neural network (ANN) is a computational method designed to mimic the way the human brain processes information.

ABAC (Attribute-Based Access Control) is a method of controlling access based on attributes of users, resources and environments.

IP conflict is a phenomenon that occurs when two or more devices on the same network have the same IP address.