https://onwar.se/ 2026-09-30T12:02:48+00:00 https://onwar.se/ https://onwar.se/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2026-09-30T09:45:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://onwar.se/doku.php?id=mastering_port_status_checks:a_guide_to_using_command_line_tools&rev=1790761514&do=diff Using PowerShell: Alternatively, you can use PowerShell for a more advanced approach. Open PowerShell and run: ``` Get-NetTCPConnection -State Listen ``` This command lists all TCP connections in the listening state. IPv4, introduced in 1981, is the fourth version of the Internet Protocol and has been the cornerstone of internet communication for decades. It utilizes a 32-bit address scheme, allowing for approximately 4.3 billion unique addresses. While this may have seemed sufficient in the e…