← Port Encyclopedia
739

Port-739

TCP
System Low Risk
Reserved or unassigned port 739 — may appear in network scans as open, closed, or filtered

🔍 How to Scan Port 739

nmap -sV -p 739 target
nmap -sV -sC --script=banner -p 739 target
nc -zv target 739

🛡️ Security Considerations

  • Scan port 739 with nmap -sV to identify the exact service and version
  • If Port-739 is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit port-739 to find known exploits
  • Monitor traffic on port 739 with Wireshark or tcpdump for anomalies
  • Ensure the service is patched to the latest version to prevent known CVE exploitation

🔗 Related System Ports

Port 1
TCPMUX
Port 5
RJE
Port 7
Echo
Port 9
Discard
Port 11
systat
Port 13
Daytime
Port 17
QOTD
Port 19
Chargen
Port 37
Time
Port 79
Finger
Port 111
RPCbind
Port 113
Ident

📍 Nearby Ports

Port 734
Port-734
Port 735
Port-735
Port 736
Port-736
Port 737
Port-737
Port 738
Port-738
Port 740
Port-740
Port 741
Port-741
Port 742
Port-742
Port 743
Port-743
Port 744
Port-744
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