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Thread: Best port scanner for XP Pro?

  1. #1
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    Best port scanner for XP Pro?

    I am looking for a port scanner to provide a list of all open ports on my PC, and I need some app to help me shut down all ports that are not essential. Recommendations?

  2. #2
    Administrator Philip's Avatar
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    Hello Senex, welcome to SG.

    You generally only need a port scanner to see open ports on a remote host. To see the open/listening ports on your end, you need to have it scanned from the internet (using our online security scan, for example), or, you can see listening/established ports using the "netstat" command in Command prompt.

    There is a bit more info on how to do that in our FAQs here: https://www.speedguide.net/faq/how-t...y-computer-115

  3. #3
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    Thanks for the tips. So once I find out what ports are open, is there an app that can close all open ports at once? Basically I want to shut all down, then open ports individually as needed. Considering how many ports there are, I do not want to do the reverse...closing 7000+ ports one at a time would grate on my nerves!

  4. #4
    Administrator Philip's Avatar
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    That's what Firewalls are used for, to close listening/outgoing ports. The Windows Firewall can be used, or some type of external hardware firewall appliance. You can also simply stop the processes/services/servers running on your machine that keep listening ports open.

    For incoming traffic, ports are usually blocked by NAT routers.

  5. #5
    Nmap!!! "System Mapper", it is the most mainstream organize revelation and port scanner in the history.

    It's a free and open source application utilized by framework heads, devops and arrange engineers for security reviewing on neighborhood and remote systems.



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