TCP Port Check GUI - graphical user interface

PortCheck is a free command line tool for Windows. If you are looking for graphical TCP port check tool you can use PingTool. PingTool is a graphical ping tool with TCP port check GUI and command line based.

The PingTool GUI offers you the option of checking TCP ports at intervals of 1 second to 2 minutes. The response time is displayed in milli seconds.

A red object in the GUI indicates that the device doesn't answer on ping or a TCP port. If objects are responding they are displayed in green with response time.

The features:

• Graphical Ping check

• Graphical TCP port check

• Network scan

• Network speedtest tool (LAN)

• Wake-on-Lan tool

• Dashboard for difficult environments

• Saveable configurations

• Repositories for large networks

• ...

The TCP port check command line tool is integrated in PingTool an can be started via right mouse button with many options:

You can use the netstat -a command on your server (or client) to find out which TCP ports the server offers. Servers provide TCP ports to enable clients to use applications. Please read the article How to find open TCP ports in Windows.

Often used TCP ports:

21   FTP (File Transfer Protocol)
22   SSH (Secure Shell)
23   Telnet
25   SMTP (Simple Mail Transfer Protocol)
80   HTTP (Hypertext Transfer Protocol)
110   POP3 (Postoffice Protocol)
135   WMI / DCE
139   NetBIOS
143   IMAP4
443   HTTPS (Hypertext Transfer Protocol - Secure)
445   SMB (Server Message Block)
1433   MS SQL
1494   ICA Citrix
1521   Oracle
3389   RDP (Remote Desktop Protocol)
5060   SIP

>>> TCP Port Check Home

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Software: PortCheck
Category: TCP port check for Windows / Check TCP ports Windows 11
Type: Command line (cmd) 
Operating Systems: Windows 7 / Windows 8 / Windows 10 / Windows 11 / Windows Server 2008 / Windows Server 2012 / Windows Server 2016 / Windows Server 2019 / Windows Server 2022