← Port Encyclopedia
858

Port-858

TCP
System Low Risk
Reserved or unassigned port 858 — may appear in network scans as open, closed, or filtered

🔍 How to Scan Port 858

nmap -sV -p 858 target
nmap -sV -sC --script=banner -p 858 target
nc -zv target 858

🛡️ Security Considerations

  • Scan port 858 with nmap -sV to identify the exact service and version
  • If Port-858 is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit port-858 to find known exploits
  • Monitor traffic on port 858 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 853
Port-853
Port 854
Port-854
Port 855
Port-855
Port 856
Port-856
Port 857
Port-857
Port 859
Port-859
Port 860
Port-860
Port 861
Port-861
Port 862
Port-862
Port 863
Port-863
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