Tag
subnets
- Oct 20, 2026 Network ACLs and Stateless Filtering at the Subnet Boundary Why an ordered, stateless rule list needs an explicit rule for return traffic, how ephemeral port ranges make that rule hard to write, and where the ACL is evaluated relative to the interface. cloud infrastructure
- May 1, 2025 VPC Address Space, Subnets, and the Implicit Router How a CIDR block becomes an isolated forwarding domain, where the router joining its subnets actually runs, and why several addresses in every subnet are never usable. cloud infrastructure