Asterisk

TCP

VoIP Medium Risk

Asterisk — open source PBX/VoIP

🔍 How to Scan Port 13000

nmap -sV -p 13000 target

nmap -sV -sC --script=banner -p 13000 target

nc -zv target 13000

Scan port 13000 with nmap -sV to identify the exact service and version
If Asterisk is not needed, close or firewall this port immediately
Check for default credentials if a management interface runs on this port
Use searchsploit asterisk to find known exploits
Monitor traffic on port 13000 with Wireshark or tcpdump for anomalies
Ensure the service is patched to the latest version to prevent known CVE exploitation

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