Dynamic Host Configuration Protocol (DHCP) uses port numbers 67 and 68 to automate the process of configuring IP addresses, subnet masks, gateways, and other network settings on client machines. This automation reduces the need for manual network configuration, helps prevent address conflicts, and enables easy addition of new devices to the network. Ports 67 and 68 are used for communication between DHCP servers and clients, with the server typically listening on port 67 and the client on port 68.
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