How to Check Open TCP/IP Ports in Windows

A handy tool to find out which local ports are open on your computer and which program uses them, also which remote IP is listening on the local port

«Open Local Port» allow:

  • See which ports are open ...
  • ... and on which sockets: TCP or UDP;
  • Filter ports as: listening or active;
  • View connections over IPv4 and IPv6;
  • Explore the internal and external IP, remote IP;
  • Get the name of the process that occupies the port;
  • Easy language switching, currently there are three Russian, English, Deutsch;
  • System Requirements Windows Computer with .NET Framework 4.5 Installed
  • The program does not require installation!

Открытые локальные порты

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Your local IP addresses:

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