Port 68

Q: What is port 68?

DHCP client port — receives IP configuration from server UDP port 68 is used by the DHCP client to receive IP configuration (address, subnet mask, gateway, DNS) from a DHCP server listening on port 67. Every time a device (PC, phone, printer) connects to a network, this port is involved in the automatic address assignment process. It is a fundamental part of any LAN's operation and is not normally exposed beyond the local network segment.

DHCP

DHCP client port — receives IP configuration from server

Port

Protocol

UDP

Service

DHCP

Security

Safe

Full name: Dynamic Host Configuration Protocol – Client

What is port 68?

UDP port 68 is used by the DHCP client to receive IP configuration (address, subnet mask, gateway, DNS) from a DHCP server listening on port 67. Every time a device (PC, phone, printer) connects to a network, this port is involved in the automatic address assignment process. It is a fundamental part of any LAN's operation and is not normally exposed beyond the local network segment.

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