Jenkins-JNLP

TCP

DevOps High Risk

Jenkins JNLP agent — Java Web Start slave connections

🔍 How to Scan Port 33848

nmap -sV -p 33848 target

nmap -sV -sC --script=banner -p 33848 target

nc -zv target 33848

Scan port 33848 with nmap -sV to identify the exact service and version
If Jenkins-JNLP is not needed, close or firewall this port immediately
Check for default credentials if a management interface runs on this port
Use searchsploit jenkins-jnlp to find known exploits
Monitor traffic on port 33848 with Wireshark or tcpdump for anomalies
Ensure the service is patched to the latest version to prevent known CVE exploitation

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