networking
-
Solved: Cisco sends old equipment for net new purchases?
Unboxed a new Cisco device that’s already registered? Learn why this frustrating Smart Licensing error happens and discover three solid ways to fix it Continue reading
-
Solved: Why did I have to use vpn to pull docker images?
Docker pull hangs but works with a VPN? It’s a network issue. Learn to diagnose and fix common problems like MTU size mismatch and DNS conflicts. Continue reading
-
Solved: Router vs L3-Switching
Router vs. L3 Switch: Learn the key differences. An L3 switch is for internal speed, a router for edge intelligence. Find out when to use each. Continue reading
-
Solved: Is the cost worth it?
Stop the ‘Address already in use’ error. Learn why EADDRINUSE costs you downtime and discover three practical fixes, from emergency patches to kernel Continue reading
-
Solved: ngrok won’t connect on mobile.
Can’t connect to your ngrok tunnel from a phone? The problem is your local dev server binding to localhost. Learn the simple fix to make it accessible Continue reading
-
Solved: Is Shopify acting up?
Can’t connect to api.shopify.com? It’s likely your local DNS, not a Shopify outage. Learn how to diagnose and fix this frustrating error for good. Continue reading
-
Solved: Google has stopped serving ads for our entire account after 10am starting yesterday. Budget is fine, no campaign changes, etc. What could it be?
Google Ads traffic flatlining at the same time daily? The culprit is likely a subtle IPv6 routing misconfiguration black-holing your server’s API call Continue reading
-
Solved: Attachment upload by url not reliable anymore?
Facing unreliable ‘upload from URL’ features? Discover why culprits like IPv6 and SNI cause silent failures and learn tiered solutions to fix it for g Continue reading
-
Solved: Direct hosting problem with Minecraft bedrock server
Friends can’t connect to your Minecraft Bedrock server? Learn how to fix the common IPv4/IPv6 binding issue and get your self-hosted world online. Continue reading
-
Solved: What public IP would outbound internet traffic from the ISS appear to originate from?
Learn why your cloud server’s public IP changes, just like the ISS’s. We explain why dynamic egress IPs break firewalls and offer 3 solutions. Continue reading