--- title: "#firewalls articles | Hashnode" description: "Explore 98 articles tagged #firewalls on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/firewalls" --- Tag # #firewalls 98 posts · 2 followers [rathsara](https://hashnode.com/@rathsara) · [Oct 15](https://hashnode.com/posts/the-practical-firewall-audit-checklist/6ad0fbee4ad0f92e41ec56b6) ### [The Firewall Is the Target Now: A Practical Audit Checklist](https://rr-cyber.hashnode.dev/the-practical-firewall-audit-checklist?utm_source=hashnode&utm_medium=feed) Where I’d start a firewall audit; the device, the rules, the traffic and the process 18 min read · [rr-cyber.hashnode.dev](https://rr-cyber.hashnode.dev/the-practical-firewall-audit-checklist?utm_source=hashnode&utm_medium=feed) [rathsara](https://hashnode.com/@rathsara) · [Jul 22](https://hashnode.com/posts/everything-passed-then-the-end-to-end-ping-failed/6a6125fac7576936e4809e3b) ### [Everything Passed. Then the End-to-End Ping Failed.](https://rr-cyber.hashnode.dev/everything-passed-then-the-end-to-end-ping-failed?utm_source=hashnode&utm_medium=feed) The second article of a series about the assumptions, engineering decisions, and moments of humility that shaped my understanding of cybersecurity. 9 min read · [rr-cyber.hashnode.dev](https://rr-cyber.hashnode.dev/everything-passed-then-the-end-to-end-ping-failed?utm_source=hashnode&utm_medium=feed) [Ryan Rodrigue](https://hashnode.com/@ryanrodrigue) · [Mar 29](https://hashnode.com/posts/zone-based-firewall-smart-home-network-segmentation/69c9baf25282e6ac9c0bf86d) ### [Zone Defense: How I Built a Zone‑Based Firewall That Actually Secures a Smart Home](https://blog.wizard-networks.com/zone-based-firewall-smart-home-network-segmentation?utm_source=hashnode&utm_medium=feed) Most smart home networks are wide open. Here's how I segmented mine into isolated zones using a zone-based firewall, and why it changed everything. 8 min read · [blog.wizard-networks.com](https://blog.wizard-networks.com/zone-based-firewall-smart-home-network-segmentation?utm_source=hashnode&utm_medium=feed) [Kaustuv Chatterjee](https://hashnode.com/@KC2004) · [Jan 31](https://hashnode.com/posts/understanding-network-devices/697dd7ab823854731599ce9f) ### [Understanding Network Devices](https://webdevelopingwithkaustuv.hashnode.dev/understanding-network-devices?utm_source=hashnode&utm_medium=feed) Understand the roles of Modem, Router, Hub, Switch, Firewall and Load Balancers 4 min read · [webdevelopingwithkaustuv.hashnode.dev](https://webdevelopingwithkaustuv.hashnode.dev/understanding-network-devices?utm_source=hashnode&utm_medium=feed) [Aviraj Patil](https://hashnode.com/@avirajpatil1403) · [Jan 30](https://hashnode.com/posts/understanding-network-hardware-the-physical-foundation-of-your-digital-world/697ca9d6a2b01f3898aaf842) ### [Understanding Network Hardware: The Physical Foundation of Your Digital World](https://cokecodes.hashnode.dev/understanding-network-hardware-the-physical-foundation-of-your-digital-world?utm_source=hashnode&utm_medium=feed) If you're a software engineer like me, you've probaly spent hours debugging API endpoints, optimizing database queries, and deploying containers to the cloud. But have you ever stopped to think about what actually happens between the moment a user hi... 13 min read · [cokecodes.hashnode.dev](https://cokecodes.hashnode.dev/understanding-network-hardware-the-physical-foundation-of-your-digital-world?utm_source=hashnode&utm_medium=feed) [Anant Sethi](https://hashnode.com/@anants11) · [Jan 29](https://hashnode.com/posts/understanding-network-devices/697b971d3971b3387e9cf1fe) ### [Understanding Network Devices](https://anants11-networking-basics.hashnode.dev/understanding-network-devices?utm_source=hashnode&utm_medium=feed) How the Internet Reaches Your Home or Office When you open a website or use an app, your data travels through multiple networking devices before reaching the internet.Each device has one clear job. Together, they make communication fast, reliable, an... 3 min read · [anants11-networking-basics.hashnode.dev](https://anants11-networking-basics.hashnode.dev/understanding-network-devices?utm_source=hashnode&utm_medium=feed) [Abhijeet Singh](https://hashnode.com/@lyre) · [Jan 28](https://hashnode.com/posts/understanding-network-devices/697a55fe881285c95176cdbd) ### [Understanding Network Devices](https://chaicodecohort-2026-blogs-assignment.hashnode.dev/understanding-network-devices?utm_source=hashnode&utm_medium=feed) An introduction to Network Devices that modern network connection uses 5 min read · [chaicodecohort-2026-blogs-assignment.hashnode.dev](https://chaicodecohort-2026-blogs-assignment.hashnode.dev/understanding-network-devices?utm_source=hashnode&utm_medium=feed) [Aradhya Ray](https://hashnode.com/@AradhyaRay05) · [Jan 28](https://hashnode.com/posts/understanding-network-devices-how-the-internet-reaches-your-applications/697a5f1852696b3e0034422a) ### [Understanding Network Devices: How the Internet Reaches Your Applications](https://tcp-udp-http-networking-guide.hashnode.dev/understanding-network-devices-how-the-internet-reaches-your-applications?utm_source=hashnode&utm_medium=feed) Learn how modems, routers, switches, hubs, firewalls, and load balancers manage and secure network traffic for internet connections 6 min read · [tcp-udp-http-networking-guide.hashnode.dev](https://tcp-udp-http-networking-guide.hashnode.dev/understanding-network-devices-how-the-internet-reaches-your-applications?utm_source=hashnode&utm_medium=feed) [Himal Subedi](https://hashnode.com/@subedihimal) · [Jan 28](https://hashnode.com/posts/understanding-network-devices/697a103996f7b483de0fb228) ### [Understanding Network Devices](https://subedihimal.hashnode.dev/understanding-network-devices?utm_source=hashnode&utm_medium=feed) What solution comes to mind when the internet stops working. Probably to restart the router, right ?. If you were born before the early 2000, you will probably remember there being two routers one with an antenna and one without one. The one without ... 4 min read · [subedihimal.hashnode.dev](https://subedihimal.hashnode.dev/understanding-network-devices?utm_source=hashnode&utm_medium=feed) [Shikhar Gupta](https://hashnode.com/@shiikharrr) · [Jan 28](https://hashnode.com/posts/understanding-networking-devices/697a2dc5daff93c19c2ba245) ### [Understanding Networking Devices](https://thecleancommit.hashnode.dev/understanding-networking-devices?utm_source=hashnode&utm_medium=feed) How data moves before your code ever runs 5 min read · [thecleancommit.hashnode.dev](https://thecleancommit.hashnode.dev/understanding-networking-devices?utm_source=hashnode&utm_medium=feed)