← Port Encyclopedia
519

Port-519

TCP
System Low Risk
Reserved or unassigned port 519 — may appear in network scans as open, closed, or filtered

🔍 How to Scan Port 519

nmap -sV -p 519 target
nmap -sV -sC --script=banner -p 519 target
nc -zv target 519

🛡️ Security Considerations

  • Scan port 519 with nmap -sV to identify the exact service and version
  • If Port-519 is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit port-519 to find known exploits
  • Monitor traffic on port 519 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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TCPMUX
Port 5
RJE
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Echo
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Discard
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systat
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Daytime
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QOTD
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Chargen
Port 37
Time
Port 79
Finger
Port 111
RPCbind
Port 113
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📍 Nearby Ports

Port 514
Syslog
Port 515
LPD
Port 516
Port-516
Port 517
Port-517
Port 518
Port-518
Port 520
RIP
Port 521
RIPng
Port 522
Port-522
Port 523
IBM-DB2
Port 524
NCP
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