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!
Open Local port Windows

Common ports

FTP Control21
SSH22
Telnet23
SMTP25
DNS53
HTTP / Web80
POP3110
IMAP143
HTTPS443
IMAP SSL993
POP3 SSL995
MSSQL1433
REMOTE3389
VNC5900