← Port Encyclopedia
853
Port-853
TCP
System Low Risk
Reserved or unassigned port 853 — may appear in network scans as open, closed, or filtered

🔍 How to Scan Port 853

nmap -sV -p 853 target
nmap -sV -sC --script=banner -p 853 target
nc -zv target 853

🛡️ Security Considerations

  • Scan port 853 with nmap -sV to identify the exact service and version
  • If Port-853 is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit port-853 to find known exploits
  • Monitor traffic on port 853 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
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Chargen
Port 37
Time
Port 79
Finger
Port 111
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Ident

📍 Nearby Ports

Port 848
Port-848
Port 849
Port-849
Port 850
Port-850
Port 851
Port-851
Port 852
Port-852
Port 854
Port-854
Port 855
Port-855
Port 856
Port-856
Port 857
Port-857
Port 858
Port-858
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