← Port Encyclopedia
183

Port-183

TCP
System Low Risk
Reserved or unassigned port 183 — may appear in network scans as open, closed, or filtered

🔍 How to Scan Port 183

nmap -sV -p 183 target
nmap -sV -sC --script=banner -p 183 target
nc -zv target 183

🛡️ Security Considerations

  • Scan port 183 with nmap -sV to identify the exact service and version
  • If Port-183 is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit port-183 to find known exploits
  • Monitor traffic on port 183 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
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RJE
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Echo
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Discard
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systat
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Daytime
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QOTD
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Chargen
Port 37
Time
Port 79
Finger
Port 111
RPCbind
Port 113
Ident

📍 Nearby Ports

Port 178
Port-178
Port 179
BGP
Port 180
Port-180
Port 181
Port-181
Port 182
Port-182
Port 184
Port-184
Port 185
Port-185
Port 186
Port-186
Port 187
Port-187
Port 188
Port-188
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