Main purpose of Open port checker tool is to check open ports which may be vulnerable to hackers and other secutity threats.Using this tool you can check a particular range of ports in a single go. Usage of port checker is absolutely free for personnal and commercial purposes. Please note that it's not recommended to select a range consisting more than 50 ports because it may create issues in your browser.
A few port types and corresponding port numbers :
FTP - Port 21 , SSH - Port 22 , Telnet - Port 23 , SMTP - Port 25 , Web - Port 80
POP 3 - Port 110, Network Time - Port 123 , SOCKS - Port 1080 , SQL Server - Port 1433
MySQL Database - Port 3306 , Remote Desktop - Port 3389 , uTorrent - Port 6881
A few port types and corresponding port numbers :
FTP - Port 21 , SSH - Port 22 , Telnet - Port 23 , SMTP - Port 25 , Web - Port 80
POP 3 - Port 110, Network Time - Port 123 , SOCKS - Port 1080 , SQL Server - Port 1433
MySQL Database - Port 3306 , Remote Desktop - Port 3389 , uTorrent - Port 6881