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TCP port checker

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TCP port checker (aka TCP port tester) is an online TCP client that checks TCP server connectivity and accessibility from the Internet. It can be used to check an arbitrary tcp port on a remote server. TCP port checker attempts to establish a TCP connection from our ip address (50.116.26.68). If connection is successful you should be able to see it in the server logs. Below are the most commonly used tcp ports:
PortService
21FTP (File Transport Protocol) - file storage and retrieval
22SSH, SFTP - secure shell and SSH based FTP
23Telnet - non-secure shell
25SMPT (Simple Mail Transfer Protocol) - sending and receiving email messages
53DNS (Domain Name System) - mapping from hostname to ip and vice versa
80HTTP (HyperText Transfer Protocol) - main protocol of world wide web
156SQL - relational database
443HTTPS - secure HTTP
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