Nmap-MCP

### **Nmap Scan Summary Analysis** #### **Summary** The Nmap scan of `scanme.nmap.org` revealed **3 open ports**: - **Port 22 (SSH)** � Secure Shell (remote login service) - **Port 53 (DNS)** � Domain Name System (resolves domain names) - **Port 80 (HTTP)** � Web server (unencrypted HTTP traffic) #### **Potential Security Risks** 1. **SSH (Port 22)** - If weak credentials or outdated SSH versions are present, brute-force attacks or exploits (e.g., CVE-2023-38408) may occur. - Lack of key-based authentication increases risk. 2. **DNS (Port 53)** - Open DNS servers may be abused for amplification attacks (e.g., DNS reflection). - Misconfigurations could lead to cache poisoning or information leakage. 3. **HTTP (Port 80)** - Unencrypted traffic is vulnerable to eavesdropping and man-in-the-middle (MITM) attacks. - Potential web vulnerabilities (e.g., outdated CMS, SQLi, XSS) if a website is hosted. #### **Recommendations** 1. **SSH Hardening** - Disable password authentication in favor of SSH keys. - Restrict access via firewalls (e.g., allow only trusted IPs). - Update to the latest SSH version. 2. **DNS Security** - If not required, restrict DNS queries to trusted clients. - Implement DNSSEC to prevent spoofing. 3. **HTTP to HTTPS Migration** - Redirect HTTP (Port 80) to HTTPS (Port 443) with TLS encryption. - Use security headers (e.g., HSTS, CSP) and disable insecure protocols (TLS 1.0/1.1). 4. **General Measures** - Run a **vulnerability scan** (e.g., `nmap -sV --script vuln`) for deeper analysis. - Monitor logs for suspicious activity (e.g., repeated SSH login attempts). #### **Conclusion** While the scan shows only basic services, each open port introduces risks if misconfigured. Applying encryption, access controls, and patches will significantly improve security. Would you like a deeper analysis of any specific service?