← Port Encyclopedia
1813
RADIUS-Acct
UDP
Authentication
Medium Risk
RADIUS accounting — tracks user session data for billing and auditing
🔍 How to Scan Port 1813
nmap -sV -p 1813 target
nmap -sV -sC --script=banner -p 1813 target
nc -zv target 1813
🛡️ Security Considerations
- Scan port 1813 with
nmap -sVto identify the exact service and version - If RADIUS-Acct is not needed, close or firewall this port immediately
- Check for default credentials if a management interface runs on this port
- Use
searchsploit radius-acctto find known exploits - Monitor traffic on port 1813 with Wireshark or tcpdump for anomalies
- Ensure the service is patched to the latest version to prevent known CVE exploitation