← Port Encyclopedia
889

Port-889

TCP
System Low Risk
Reserved or unassigned port 889 — may appear in network scans as open, closed, or filtered

🔍 How to Scan Port 889

nmap -sV -p 889 target
nmap -sV -sC --script=banner -p 889 target
nc -zv target 889

🛡️ Security Considerations

  • Scan port 889 with nmap -sV to identify the exact service and version
  • If Port-889 is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit port-889 to find known exploits
  • Monitor traffic on port 889 with Wireshark or tcpdump for anomalies
  • Ensure the service is patched to the latest version to prevent known CVE exploitation

🔗 Related System Ports

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TCPMUX
Port 5
RJE
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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 884
Port-884
Port 885
Port-885
Port 886
Port-886
Port 887
Port-887
Port 888
Port-888
Port 890
Port-890
Port 891
Port-891
Port 892
Port-892
Port 893
Port-893
Port 894
Port-894
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