← Port Encyclopedia
2181
ZooKeeper
TCP
Middleware
High Risk
Apache ZooKeeper — distributed coordination, unauthenticated access common
🔍 How to Scan Port 2181
nmap -sV -p 2181 target
nmap -sV -sC --script=banner -p 2181 target
nc -zv target 2181
🛡️ Security Considerations
- Scan port 2181 with
nmap -sVto identify the exact service and version - If ZooKeeper is not needed, close or firewall this port immediately
- Check for default credentials if a management interface runs on this port
- Use
searchsploit zookeeperto find known exploits - Monitor traffic on port 2181 with Wireshark or tcpdump for anomalies
- Ensure the service is patched to the latest version to prevent known CVE exploitation