← 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 -sV to 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 imaps to 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

🔗 Related Email Ports

Port 25
SMTP
Port 110
POP3
Port 143
IMAP
Port 465
SMTPS
Port 587
SMTP-Submission
Port 691
MS-Exchange
Port 995
POP3S
Port 2525
SMTP-Alt
Port 7071
Zimbra
Port 7078
Zimbra-LMTP

📍 Nearby Ports

Port 988
Port-988
Port 989
Port-989
Port 990
Port-990
Port 991
Port-991
Port 992
Port-992
Port 994
Port-994
Port 995
POP3S
Port 996
Port-996
Port 997
Port-997
Port 998
Port-998
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