← Port Encyclopedia
340

Port-340

TCP
System Low Risk
Reserved or unassigned port 340 — may appear in network scans as open, closed, or filtered

🔍 How to Scan Port 340

nmap -sV -p 340 target
nmap -sV -sC --script=banner -p 340 target
nc -zv target 340

🛡️ Security Considerations

  • Scan port 340 with nmap -sV to identify the exact service and version
  • If Port-340 is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit port-340 to find known exploits
  • Monitor traffic on port 340 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
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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 335
Port-335
Port 336
Port-336
Port 337
Port-337
Port 338
Port-338
Port 339
Port-339
Port 341
Port-341
Port 342
Port-342
Port 343
Port-343
Port 344
Port-344
Port 345
Port-345
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