← Port Encyclopedia
80
HTTP
TCP
Web
Critical Risk
Hypertext Transfer Protocol — unencrypted web traffic, XSS, SQLi, web app attacks
🔍 How to Scan Port 80
nmap -sV -p 80 target
nmap -sV -sC --script=banner -p 80 target
nc -zv target 80
🛡️ Security Considerations
- Scan port 80 with
nmap -sVto identify the exact service and version - If HTTP is not needed, close or firewall this port immediately
- Check for default credentials if a management interface runs on this port
- Use
searchsploit httpto find known exploits - Monitor traffic on port 80 with Wireshark or tcpdump for anomalies
- Ensure the service is patched to the latest version to prevent known CVE exploitation