← Port Encyclopedia
923
Port-923
TCP
System Low Risk
Reserved or unassigned port 923 — may appear in network scans as open, closed, or filtered

🔍 How to Scan Port 923

nmap -sV -p 923 target
nmap -sV -sC --script=banner -p 923 target
nc -zv target 923

🛡️ Security Considerations

  • Scan port 923 with nmap -sV to identify the exact service and version
  • If Port-923 is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit port-923 to find known exploits
  • Monitor traffic on port 923 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 918
Port-918
Port 919
Port-919
Port 920
Port-920
Port 921
Port-921
Port 922
Port-922
Port 924
Port-924
Port 925
Port-925
Port 926
Port-926
Port 927
Port-927
Port 928
Port-928
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