Network concept · Foundational

Host / Hostname

A machine and the name that identifies it

What does Host / Hostname mean?

A host is a networked machine or service; its hostname is the label or domain name used to identify it.

Keep exploring

IP AddressA numeric identifier used to route network traffic to an interface using IP.
IPv4 / IPv6The two widely used IP versions; IPv6 provides a much larger address space and other protocol changes.
TCP / UDPTwo transport protocols: TCP provides an ordered reliable byte stream, while UDP sends independent datagrams with less overhead.
PortA transport-layer number that lets one host direct TCP or UDP traffic to the correct application process.
SubnetA range of addresses grouped by a shared network prefix for routing and administration.
CIDRNotation and routing practice that describes an IP prefix with an address and prefix length, such as /24.
VPC / VNetA logically isolated cloud network where addresses, routes, subnets and security controls are configured.
VPNAn encrypted or otherwise protected connection that extends network access across an untrusted network.