← Port Encyclopedia
128
Port-128
TCP
System Low Risk
Reserved or unassigned port 128 — may appear in network scans as open, closed, or filtered

🔍 How to Scan Port 128

nmap -sV -p 128 target
nmap -sV -sC --script=banner -p 128 target
nc -zv target 128

🛡️ Security Considerations

  • Scan port 128 with nmap -sV to identify the exact service and version
  • If Port-128 is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit port-128 to find known exploits
  • Monitor traffic on port 128 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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📍 Nearby Ports

Port 123
NTP
Port 124
Port-124
Port 125
Port-125
Port 126
Port-126
Port 127
Port-127
Port 129
Port-129
Port 130
Port-130
Port 131
Port-131
Port 132
Port-132
Port 133
Port-133
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