← Port Encyclopedia
281

Port-281

TCP
System Low Risk
Reserved or unassigned port 281 — may appear in network scans as open, closed, or filtered

🔍 How to Scan Port 281

nmap -sV -p 281 target
nmap -sV -sC --script=banner -p 281 target
nc -zv target 281

🛡️ Security Considerations

  • Scan port 281 with nmap -sV to identify the exact service and version
  • If Port-281 is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit port-281 to find known exploits
  • Monitor traffic on port 281 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 276
Port-276
Port 277
Port-277
Port 278
Port-278
Port 279
Port-279
Port 280
Port-280
Port 282
Port-282
Port 283
Port-283
Port 284
Port-284
Port 285
Port-285
Port 286
Port-286
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