← Port Encyclopedia
500
IKE
UDP
VPN
High Risk
Internet Key Exchange — IPsec VPN negotiation, IKE aggressive mode attacks
🔍 How to Scan Port 500
nmap -sV -p 500 target
nmap -sV -sC --script=banner -p 500 target
nc -zv target 500
🛡️ Security Considerations
- Scan port 500 with
nmap -sVto identify the exact service and version - If IKE is not needed, close or firewall this port immediately
- Check for default credentials if a management interface runs on this port
- Use
searchsploit iketo find known exploits - Monitor traffic on port 500 with Wireshark or tcpdump for anomalies
- Ensure the service is patched to the latest version to prevent known CVE exploitation