DHCP, VLANs and subnets in home networks

In the article VLANs for home networks I wrote about how VLANs and subnets can improve network security by creating different segments, usually associated with a subnet. With multiple subnets, assigning addresses in each subnet via DHCP becomes more complex. DHCP IPv4 uses broadcast packets to ask for an IP address. VLANs create separate broadcast […]

Networking Security

DNS for home networks

In very simple terms, a Domain Name Service (DNS), is a service that turns specific network names (host names, service names) into IP addresses. It allows to use mnemonic names ( instead of IP addresses ( accessing internal network resources. There are several advantages in using DNS names instead of IP addresses directly: One simple […]