Is port 67 (DHCP Server) dangerous?

Port 67 is classified as medium risk. It is commonly exposed but consider using encrypted alternatives where available and monitor activity.

Should port 67 be open on my firewall?

Port 67 can be open but should be monitored closely. Keep the service updated and prefer encrypted alternatives where available.

What transport protocol does port 67 use?

Port 67 (DHCP Server) uses the UDP transport protocol and falls under the System & Infrastructure category.

:67 (UDP)

DHCP Server

Medium Risk

UDP — System & Infrastructure

Port Overview

Port Number 67

Service Name DHCP Server

Transport Protocol UDP

Category System & Infrastructure

Security Risk Medium

Port Range Well-Known (0-1023)

What is Port 67?

Dynamic Host Configuration Protocol server port. Automatically assigns IP addresses, subnet masks, gateways, and DNS servers to devices joining a network.

UDP System & Infrastructure Commonly Used

Security Considerations

Port 67 (DHCP Server) is classified as medium risk. While this service is commonly exposed, consider using encrypted alternatives where available.

Recommendation: Keep the service updated. Monitor logs for unusual activity.