PortChecker: Get a clear picture of port accessibility

Usage

portchecker HOST PORT [TIMEOUT] [RETRY]

Parameters

portcheker --help

Parameters:
  HOST                🌐 The IP address or domain name you want to check.
  PORT                🚪 The specific port to probe (1-65535).
  TIMEOUT (optional)  ⏱️ Time in seconds before a request times out (1-15, default: 10).
  RETRY (optional)    🔁 Number of times to retry the test (1-10, default: 3).

Example

portchecker example.com 80 5 2

This command checks port 80 on example.com with a 5-second timeout, retrying twice for reliable results.