Canyouseeme -Port Checker tool

Canyouseeme is a a free utility for remotely verifying a port is open or closed. It will be useful for users who wish to check to see if a server is running or a firewall or ISP is blocking certain ports.

Canyouseeme Checker
FTP - 20 SSH - 22 SMTP - 25 HTTP - 80 IMAP - 993

    What is open port checker?

    Port Checker tool is useful for checking port in your router is open or close. Canyouseeme is free online security tool to check port open or being blocked in your system.

    Open Port Checker

    What are ports?

    ports allow software applications to share hardware resources without interfering with each other. Computers and routers automatically manage network traffic traveling via their virtual ports. There are 65,536 ports to choose from.



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    Common ports

    FTP Control 21
    SSH 22
    Telnet 23
    SMTP 25
    DNS 53
    HTTP / Web 80
    POP3 110
    IMAP 143
    HTTPS 443
    IMAP SSL 993
    POP3 SSL 995
    MSSQL 1433
    REMOTE 3389
    VNC 5900