← Port Encyclopedia
753

Port-753

TCP
System Low Risk
Reserved or unassigned port 753 — may appear in network scans as open, closed, or filtered

🔍 How to Scan Port 753

nmap -sV -p 753 target
nmap -sV -sC --script=banner -p 753 target
nc -zv target 753

🛡️ Security Considerations

  • Scan port 753 with nmap -sV to identify the exact service and version
  • If Port-753 is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit port-753 to find known exploits
  • Monitor traffic on port 753 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 748
Port-748
Port 749
Kerberos-Admin
Port 750
Port-750
Port 751
Port-751
Port 752
Port-752
Port 754
Port-754
Port 755
Port-755
Port 756
Port-756
Port 757
Port-757
Port 758
Port-758
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