node package manager

find-port

find-port Build Status

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find an unused port in your localhost

    var findPort = require('find-port')
 
    // scan a range 
    findPort('127.0.0.1', 8000, 8003, function(ports) {
        console.log(ports)
    })
 
    // scan explicitly 
    findPort('127.0.0.1', [8000, 8011], function(ports) {
        console.log(ports)
    })
  • Since version 2.0.0 a local interface must be specified
  • This module is not designed to scan remote ports only local ones.