{"id":335,"date":"2017-01-25T08:51:23","date_gmt":"2017-01-25T08:51:23","guid":{"rendered":"http:\/\/www.server1.dk\/?p=335"},"modified":"2020-10-24T18:23:16","modified_gmt":"2020-10-24T18:23:16","slug":"function-for-powershell-to-test-if-tcp-port-answers","status":"publish","type":"post","link":"https:\/\/www.server1.dk\/?p=335","title":{"rendered":"Function for Powershell to test if TCP port answers"},"content":{"rendered":"\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"powershell\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">function Test-Port($hostname, $port)\n{\n    # This works no matter in which form we get $host - hostname or ip address\n    try {\n        $ip = [System.Net.Dns]::GetHostAddresses($hostname) | \n            select-object IPAddressToString -expandproperty  IPAddressToString\n        if($ip.GetType().Name -eq \"Object[]\")\n        {\n            #If we have several ip's for that address, let's take first one\n            $ip = $ip[0]\n        }\n    } catch {\n        Write-Host \"Possibly $hostname is wrong hostname or IP\"\n        return\n    }\n    $t = New-Object Net.Sockets.TcpClient\n    # We use Try\\Catch to remove exception info from console if we can't connect\n    try\n    {\n        $t.Connect($ip,$port)\n    } catch {}\n\n    if($t.Connected)\n    {\n        $t.Close()\n       $true\n    }\n    else\n    {\n     $false                              \n    }\n\n}<\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[47,10,46],"class_list":["post-335","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-port","tag-powershell","tag-tcp"],"_links":{"self":[{"href":"https:\/\/www.server1.dk\/index.php?rest_route=\/wp\/v2\/posts\/335","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.server1.dk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.server1.dk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.server1.dk\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.server1.dk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=335"}],"version-history":[{"count":2,"href":"https:\/\/www.server1.dk\/index.php?rest_route=\/wp\/v2\/posts\/335\/revisions"}],"predecessor-version":[{"id":535,"href":"https:\/\/www.server1.dk\/index.php?rest_route=\/wp\/v2\/posts\/335\/revisions\/535"}],"wp:attachment":[{"href":"https:\/\/www.server1.dk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=335"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.server1.dk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=335"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.server1.dk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=335"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}