← Port Encyclopedia
633

Port-633

TCP
System Low Risk
Reserved or unassigned port 633 — may appear in network scans as open, closed, or filtered

🔍 How to Scan Port 633

nmap -sV -p 633 target
nmap -sV -sC --script=banner -p 633 target
nc -zv target 633

🛡️ Security Considerations

  • Scan port 633 with nmap -sV to identify the exact service and version
  • If Port-633 is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit port-633 to find known exploits
  • Monitor traffic on port 633 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 628
Port-628
Port 629
Port-629
Port 630
Port-630
Port 631
IPP
Port 632
Port-632
Port 634
Port-634
Port 635
Port-635
Port 636
LDAPS
Port 637
Port-637
Port 638
Port-638
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