← Port Encyclopedia
155
Port-155
TCP
System Low Risk
Reserved or unassigned port 155 — may appear in network scans as open, closed, or filtered

🔍 How to Scan Port 155

nmap -sV -p 155 target
nmap -sV -sC --script=banner -p 155 target
nc -zv target 155

🛡️ Security Considerations

  • Scan port 155 with nmap -sV to identify the exact service and version
  • If Port-155 is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit port-155 to find known exploits
  • Monitor traffic on port 155 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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systat
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QOTD
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Port 111
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📍 Nearby Ports

Port 150
Port-150
Port 151
Port-151
Port 152
Port-152
Port 153
Port-153
Port 154
Port-154
Port 156
Port-156
Port 157
Port-157
Port 158
Port-158
Port 159
Port-159
Port 160
Port-160
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