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Port Checker

Check if specific TCP ports are open, closed, or filtered on a host.

Last updated: Example result

example.com

93.184.216.34

Open Ports

6

Closed Ports

4

Filtered Ports

0

Scanned

10

Scan CompletedReview Open PortsExample scanScan Time: 1.52s

Port Status Overview

10Total
Open60% (6)
Closed40% (4)
Filtered0% (0)

Port Scan Results

PortStatusServiceProtocolResponse TimeSecurityDetails
20OpenFTP-DATATCP23.45 msPlain FTP

FTP data can expose files because it is not encrypted by default.

File Transfer [Data]

Use SFTP, SCP, or FTPS instead of plain FTP.

21OpenFTPTCP22.18 msPlain FTP

FTP control traffic can expose usernames, passwords, and commands.

File Transfer Protocol

Replace public FTP with SFTP, SCP, or FTPS.

22OpenSSHTCP18.67 msEncrypted

SSH encrypts remote administration traffic.

Secure Shell

Allow trusted IPs only, disable password login when possible, and use keys.

25ClosedSMTPTCP-Closed

No exposed TCP service was confirmed during this scan.

Simple Mail Transfer Protocol
53OpenDNSTCP16.32 msDNS Service

Public DNS can leak query traffic or be abused for amplification if open recursion is enabled.

Domain Name System

Disable open recursion and restrict DNS service to intended clients.

80OpenHTTPTCP15.21 msHTTP

HTTP does not encrypt traffic.

Hypertext Transfer Protocol

Redirect HTTP to HTTPS and keep port 443 configured with a valid certificate.

110ClosedPOP3TCP-Closed

No exposed TCP service was confirmed during this scan.

Post Office Protocol v3
443OpenHTTPSTCP19.11 msTLS Verified

TLSv1.3 responded with a certificate that could be validated.

TLSv1.3 / TLS_AES_256_GCM_SHA384

HTTP Secure

Keep the certificate renewed and disable outdated TLS versions.

3306ClosedMySQLTCP-Closed

No exposed TCP service was confirmed during this scan.

MySQL Database
3389ClosedRDPTCP-Closed

No exposed TCP service was confirmed during this scan.

Remote Desktop Protocol
Port scan results show the current state of the target ports. Security notes are based only on the ports included in this scan.All times are in your local timezone.