← Port Encyclopedia
273

Port-273

TCP
System Low Risk
Reserved or unassigned port 273 — may appear in network scans as open, closed, or filtered

🔍 How to Scan Port 273

nmap -sV -p 273 target
nmap -sV -sC --script=banner -p 273 target
nc -zv target 273

🛡️ Security Considerations

  • Scan port 273 with nmap -sV to identify the exact service and version
  • If Port-273 is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit port-273 to find known exploits
  • Monitor traffic on port 273 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 268
Port-268
Port 269
Port-269
Port 270
Port-270
Port 271
Port-271
Port 272
Port-272
Port 274
Port-274
Port 275
Port-275
Port 276
Port-276
Port 277
Port-277
Port 278
Port-278
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