← Port Encyclopedia
266

Port-266

TCP
System Low Risk
Reserved or unassigned port 266 — may appear in network scans as open, closed, or filtered

🔍 How to Scan Port 266

nmap -sV -p 266 target
nmap -sV -sC --script=banner -p 266 target
nc -zv target 266

🛡️ Security Considerations

  • Scan port 266 with nmap -sV to identify the exact service and version
  • If Port-266 is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit port-266 to find known exploits
  • Monitor traffic on port 266 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 261
Port-261
Port 262
Port-262
Port 263
Port-263
Port 264
BGMP
Port 265
Port-265
Port 267
Port-267
Port 268
Port-268
Port 269
Port-269
Port 270
Port-270
Port 271
Port-271
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