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Firewalls

6 articles · Page 1 of 1
AI Agent Super App
AI Agent Super App
Jul 3, 2026 · Operations

How to Build an Enterprise LAN from Scratch: Switches, Firewalls, APs, and Controllers Explained

This guide walks you through planning and deploying an enterprise LAN from the ground up, covering device roles, VLAN and IP design, switch configuration (access, trunk, layer‑3), firewall routing, NAT, security policies, wireless AP/Controller setup, and provides practical checklists and example office and campus layouts.

FirewallsLANNetwork Design
0 likes · 13 min read
How to Build an Enterprise LAN from Scratch: Switches, Firewalls, APs, and Controllers Explained
AI Agent Super App
AI Agent Super App
Jul 2, 2026 · Operations

Cisco Cheat Sheet: Switches, Routers, and Firewalls—From Model Selection to Ready‑to‑Copy Config Commands

This comprehensive guide walks you through Cisco's three major device families—switches, routers, and firewalls—covering model selection, initial console/SSH setup, VLANs, static and OSPF routing, NAT, IPSec VPN, ACLs, security policies, and essential troubleshooting commands, all with ready‑to‑paste examples.

CiscoFirewallsIPSec VPN
0 likes · 25 min read
Cisco Cheat Sheet: Switches, Routers, and Firewalls—From Model Selection to Ready‑to‑Copy Config Commands
Black & White Path
Black & White Path
Apr 18, 2026 · Information Security

25 Essential Network Security Devices and Their Roles

The article outlines over 25 common network security devices—from firewalls and NGFWs to EDR, SIEM, and UTM—detailing their core functions, typical deployment scenarios, and concrete examples, while emphasizing a layered, need‑based approach to building an effective defense.

EDRFirewallsIDS
0 likes · 28 min read
25 Essential Network Security Devices and Their Roles
Open Source Linux
Open Source Linux
Oct 20, 2022 · Fundamentals

How to Build and Troubleshoot a Home Network: From Cables to Routers

This guide explains the evolution of computer networking—from early isolated PCs to modern LAN components like cables, NICs, repeaters, hubs, bridges, switches, routers, wireless access points, firewalls, and traffic‑control devices—while offering solutions for common issues such as cable length, port limitations, speed, distance, security, and congestion across home, small‑business, campus, and data‑center environments.

FirewallsNetwork DesignRouters
0 likes · 8 min read
How to Build and Troubleshoot a Home Network: From Cables to Routers
MaGe Linux Operations
MaGe Linux Operations
Sep 27, 2022 · Information Security

Understanding Network Security: Threats, Encryption, and Defense Mechanisms

This article provides a comprehensive overview of network security, covering passive and active threats, cryptographic models, digital signatures, authentication methods, key distribution, firewalls, and intrusion detection systems, highlighting essential concepts and practical defenses.

FirewallsIntrusion DetectionNetwork Security
0 likes · 14 min read
Understanding Network Security: Threats, Encryption, and Defense Mechanisms