https://blog.cyberforks.com/tags/networking/ Recent content in Networking on Cyberforks Hugo en-us Mon, 20 Jul 2026 00:00:00 +0000 https://blog.cyberforks.com/posts/stop-renting-holes-in-your-firewall/ Mon, 20 Jul 2026 00:00:00 +0000 https://blog.cyberforks.com/posts/stop-renting-holes-in-your-firewall/ I spent an afternoon chasing a firewall rule that kept breaking, and the fix that finally stuck was deleting the port behind it off the public internet entirely. Source-IP allowlists are a maintenance treadmill that quietly rots into someone else’s access — here’s the inversion that ends it.