← Port Encyclopedia
67

DHCP-Server

UDP
Network High Risk
DHCP server — dynamic IP assignment, rogue DHCP attacks, DHCP starvation

🔍 How to Scan Port 67

nmap -sV -p 67 target
nmap -sV -sC --script=banner -p 67 target
nc -zv target 67

🛡️ Security Considerations

  • Scan port 67 with nmap -sV to identify the exact service and version
  • If DHCP-Server is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit dhcp-server to find known exploits
  • Monitor traffic on port 67 with Wireshark or tcpdump for anomalies
  • Ensure the service is patched to the latest version to prevent known CVE exploitation

🔗 Related Network Ports

Port 68
DHCP-Client
Port 161
SNMP
Port 162
SNMP-Trap
Port 179
BGP
Port 199
SMUX
Port 201
AppleTalk
Port 264
BGMP
Port 427
SLP
Port 520
RIP
Port 521
RIPng
Port 524
NCP
Port 646
LDP

📍 Nearby Ports

Port 62
Port-62
Port 63
Port-63
Port 64
Port-64
Port 65
Port-65
Port 66
Port-66
Port 68
DHCP-Client
Port 69
TFTP
Port 70
Gopher
Port 71
Port-71
Port 72
Port-72
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