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You can find this out by installing nmap + running it against your IP.<br />
<br />

<pre><code class="code-1 nolinks" id="code-20-42712638-1"><span>nmap -sV -Pn $IP</span>
</code></pre>
<br />
Since you're using Windows, you'll have to search for how to build nmap.<br />
<br />
Or if you have a Linux or Mac machine running inside your LAN, nmap will be far easier to build/install on a UNIX-ish machine.<br />
<br />
Example scan...<br />
<br />

<pre><code class="code-10 nolinks" id="code-20-42712638-2"><span>imac&gt; sudo nmap -sV -Pn davidfavor.com</span>
<span>Password:</span>
<span>Starting Nmap 7.70 ( https://nmap.org ) at 2018-10-20 10:39 CDT</span>
<span>Nmap scan report for davidfavor.com (144.217.34.8)</span>
<span>Host is up (0.051s latency).</span>
<span>rDNS record for 144.217.34.8: ip8.ip-144-217-34.net</span>
<span>Not shown: 996 closed ports</span>
<span>PORT    STATE    SERVICE      VERSION</span>
<span>22/tcp  open     ssh          OpenSSH 7.5p1 Ubuntu 10ubuntu0.1 (Ubuntu Linux; protocol 2.0)</span>
<span>80/tcp  open     http         Apache httpd 2.4.33 ((Ubuntu))</span>
<span>443/tcp open     ssl/ssl      Apache httpd (SSL-only mode)</span>
<span>445/tcp filtered microsoft-ds</span>
<span>Service Info: OS: Linux; CPE: cpe:/o:linux:linux_kernel</span>
<span></span>
<span>Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .</span>
<span>Nmap done: 1 IP address (1 host up) scanned in 15.80 seconds</span>
</code></pre>
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gloyola1

1521787657826-1-.jpg

<div>
Go to GRC.com &nbsp;and run the Shield's up app - IT will show you exactly what you are looking for
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<div>
<blockquote>
<i>Go to GRC.com &nbsp;and run the Shield's up app - IT will show you exactly what you are looking for</i>
</blockquote>
No, it won't actually. That tests your Router/Firewall - it doesn't give you an accurate report of what computer ports may be open and listening. That's incorrect advice for this question.
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General Factotum

BillDL

COG Lead Engineer

Shaun Vermaak

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<div class="content wysiwyg-content">
How to find which ports are open or closed on my local pc?
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How to find which ports are open or closed on my local pc?

Windows 7 is an operating system from Microsoft. Features include multi-touch support, a redesigned Windows Shell with a new taskbar, referred to as the Superbar, a home networking system called HomeGroup, and performance improvements.

Windows 7

A personal computer is a general-purpose computer whose size, capabilities and price make it useful for individuals, and is intended to be operated directly by an end-user with no intervening computer time-sharing models that allowed systems to be used by many people, usually at the same time. Personal computers may be connected to a local area network (LAN), either by a cable or a wireless connection, and through that to the Internet. A personal computer may be a laptop computer or a desktop computer running an operating system such as Windows, Linux or Macintosh OS.