← Port Encyclopedia
993
IMAPS
TCP
Email
Medium Risk
IMAP over SSL — encrypted email access, safer than plaintext IMAP
🔍 How to Scan Port 993
nmap -sV -p 993 target
nmap -sV -sC --script=banner -p 993 target
nc -zv target 993
🛡️ Security Considerations
- Scan port 993 with
nmap -sVto identify the exact service and version - If IMAPS is not needed, close or firewall this port immediately
- Check for default credentials if a management interface runs on this port
- Use
searchsploit imapsto find known exploits - Monitor traffic on port 993 with Wireshark or tcpdump for anomalies
- Ensure the service is patched to the latest version to prevent known CVE exploitation