DD3F3ND3Rinbuildattackdefend.net·Jul 11, 2025 · 3 min readExploring DNS with dig<WHAT> The Domain Name System (DNS) is a protocol that translates domain names into IP addresses. Often referred to as the "phonebook of the internet," DNS simplifies navigation by allowing users to access websites using human-readable names instead ...00
DD3F3ND3Rinbuildattackdefend.net·Jul 11, 2025 · 3 min readHardening SSH<WHAT> SSH (Secure Shell) is a networking protocol that provides an encrypted remote connection between a client and a server. This secure link allows for tasks such as copying files, downloading data, and configuring a host through an encrypted conn...00
DD3F3ND3Rinbuildattackdefend.net·Jul 11, 2025 · 2 min readVLANs & Trunk Interfaces<WHAT> In this tutorial, I’ll demonstrate how to segment multiple networks into different Virtual Local Area Networks (VLANs). This not only improves security by minimizing the window of possible threats by isolating critical systems and public-facin...00
DD3F3ND3Rinbuildattackdefend.net·Dec 5, 2024 · 2 min readConfiguring DHCP & DNSDHCP <WHAT> Dynamic Host Configuration Protocol (DHCP) is a networking protocol that operates on UDP ports 67 and 68. DHCP allows hosts to automatically receive assigned IP addresses from a DHCP server instead of configuring them manually. This is ef...00
DD3F3ND3Rinbuildattackdefend.net·Nov 4, 2024 · 5 min readUser, Group, & File Management<WHAT> Groups simplify user management by allowing users with similar access rights to share a group ID. Alongside user management, enabling specific users to have home directories while others don't, setting password expiration, and even modifying g...00
