Should you be worried about port scanning?” Not at all. Port scanning is scripting that are let loose by hackers and as long as your server is kept secure, port scanning really isn’t all that useful to them or dangerous to you.

Below are some ports you should be familiar with so that you can gain access or prevent an intrusion on your workstation and network.

Port 21 is for FTP
Port 22 is for SSH
Port 23 is for TELNET
Port 25 is for SMTP
Port 53 is for DNS
Port 80 is for HTTP
Port 110 is for POP3
Port 115 is for SFTP
Port 135 is for RPC
Port 139 is for NetBIOS
Port 143 is for is for IMAP
Port 194 is for IRC
Port 443 is for SSL
Port 445 is for SMB
Port 1433 is for MSSQL
Port 3306 is for MySQL
Port 3389 is for Remote Desktop
Port 5632 is for PCAnywhere
Port 5900 is for VNC
Port 6112 is for Warcraft III

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Stephan Pringle

Chief Executive Officer at Sipylus

About The Author: Stephan Pringle is an Information Technology Specialist. He covers hardware and software and provides tips for you to troubleshoot and repair issues on your own. In his spare time, he writes articles about the State of New York on his Hackintosh and is currently the top contributor of the New York City section of Yahoo! Answers.

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