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Protocol

DHCP

Automatic host configuration

Port 67 / 68UDPEncrypted: No

Record

Ports
67, 68
Transport
UDP
Encryption
No
Typical use
Client addressing on every LAN and WLAN

Security considerations

Rogue servers; enable DHCP snooping on access ports

Where this protocol is explained

DHCP

Dynamic Host Configuration Protocol automatically issues IP addresses and network configuration to clients as they join a network.

Topics that use this protocol

DHCP

Dynamic Host Configuration Protocol automatically issues IP addresses and network configuration to clients as they join a network.

DHCP

Dynamic Host Configuration Protocol automatically issues IP addresses and network configuration to clients as they join a network.

Other protocols over UDP

DHCPv6IPsec IKEIPsec NAT TNTPRADIUSSNMPWireGuard

In the knowledge graph

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Explore DHCP in the knowledge graph