A subnet mask isolates parts of an IP address to produce the host address and routing prefix. When logically ANDed with an IP address, it produces the starting address of the subnet. CIDR notation is used to express routing prefixes. Subnetting efficiently organizes larger networks. A subnet mask is a pattern of bits that can […]
A shielded subnet separates public and private functions in a network, with a third portion accessible through a demilitarized zone. Public areas are fully accessible while private information is not. This is a security feature that reduces the risk of external attacks on the intranet. A shielded subnet is a method of security used in […]
