
Comprehensive guide to installing and configuring Zenarmor plugin for OPNSense, transforming it into a next-generation firewall with enhanced network traffic monitoring and application-level access control.

Step-by-step guide to installing OPNsense firewall, covering hardware requirements, software downloads, and configuration tips for various setups including VMware ESXi and DNS forwarding.

Learn essential firewall rule structuring for improved security and management. Covers internal/external access, self-hosting considerations, and stateful firewall operations in a comprehensive tutorial.

Comprehensive overview of firewall basics, covering vendor diversity, interfaces, rule handling, and configuration examples for both management and non-management access.

Learn to configure SSH key authentication on Cisco IOS devices for enhanced security. Covers setup for Linux and Windows, key chain creation, and restricting to key-only authentication.

Learn to install and configure a secondary DNS server in Linux using Ubuntu 22.04.1 LTS and Bind 9. Covers primary server updates, secondary server setup, access restrictions, DNS forwarding, and testing procedures.

Learn to configure Proxmox for NIC bonding and VLAN support, including network switch setup, VLAN interface creation, and VM VLAN assignment for improved throughput and redundancy.

Step-by-step guide to enabling USB passthrough for VMs in XCP-ng, covering device identification, policy updates, attachment process, and maintenance. Includes troubleshooting tips for seamless USB device integration.

Learn to configure Dynamic DNS on Ubuntu 20.04 LTS using Bind9 and ISC DHCP. Step-by-step guide covers key creation, server configuration, testing, and maintenance for efficient DNS updates.

Learn to create a Certificate Authority Server using OpenSSL. Covers key generation, configuration, signing requests, and browser setup. Enhance network security with trusted certificates for secure web connections.

Comprehensive guide on setting up NFS shares in TrueNAS, configuring XCP-ng and Linux clients, and optimizing performance. Covers user management, permissions, storage setup, and advanced features.

Comprehensive guide on setting up Windows Shares in TrueNAS, covering user management, network access from Windows and Linux PCs, and configuring group shares with permissions.

Comprehensive guide to installing and configuring TrueNAS Core 12, covering software download, bootable USB creation, installation, basic setup, pool management, and data sharing.

Comprehensive guide to IPv4 addressing, covering basics, binary conversion, CIDR, subnet masks, and network communication principles for a solid understanding of IP networking.

Learn to set up VLANs for enhanced network security. Covers managed switches, VLAN creation, device isolation, and IP addressing. Part 1 of a comprehensive tutorial on implementing VLANs.

Step-by-step guide to installing and configuring DHCP server on Ubuntu 20.04, including setup of DHCP Relay Agent and firewall rules for servicing requests across subnets.

Step-by-step guide to installing and configuring a DNS server on Ubuntu 20.04 using Bind9, covering forwarder setup, zone configuration, and testing procedures.

Step-by-step guide to installing and configuring Kea DHCP server on Ubuntu or Debian, covering basic setup, IP leasing, reservations, multiple subnets, security, and authoritative server configuration.

Explore eBPF-based HTTP/1 golden metrics retrieval in sidecarless environments, focusing on request count, response code, and latency. Learn implementation challenges and Prometheus integration for existing infrastructures.

Explore SRv6 integration with Kubernetes using Cilium and eBPF, enabling programmable networks and simplified multi-cluster L3VPN topologies for enterprise and telco environments.

Explore NATS, an open-source messaging system for simplified, globally scalable communication. Learn about its features, patterns, and applications in building adaptive, multi-cloud systems.