CheckPortGUI.ps1 — Simple Port Tester

Small PowerShell GUI to test common ports and ICMP ping against a target host. Uses Test-NetConnection under the hood and shows a per-port status with a progress bar.

Requirements

Windows PowerShell 5.1 (x64 recommended)
Network access to the target

Included checks

Dropdown protocols mapped to port sets:

FTP (20, 21, 22, 989, 990)
HTTP (80, 443)
SMB (139, 445)
LDAP/AD (389, 636, 3268, 3269, 464, 88, 9389, 53, 5353)
SQL (1433)
EPMtestCore (80, 443, 139, 445, 9593, 9594, 9595)
EPMtestClient (139, 445, 9593, 9594, 9595, 33354, 33355, 33370, 33371, 44343)
VNC (5800, 5900)
Synology (5000, 5001, 21, 22, 2049, 445, 5432, 3306, 137, 138, 139, 80, 443, 873, 3260, 1194, 5353, 6690, 6881, 1900)

Install

Save the script as CheckPortGUI.ps1 in your working directory

Run

powershell.exe -NoProfile -ExecutionPolicy Bypass -File .\CheckPortGUI.ps1

Usage

Enter the target hostname or IP.
Pick a protocol from the dropdown.
Click “Test Port” to run all ports in that set (progress bar updates).
Click “Test Ping” for an ICMP reachability check. Results appear in the textbox (one line per port: Port, Status, Description).