Which TCP/IP ports to close?
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Thread: Which TCP/IP ports to close?

  1. #1
    Junior Member
    Join Date
    Jul 2013
    Posts
    4

    Which TCP/IP ports to close?

    I'm sure this question has been asked and answered already, but I can't find it. I'll be going online soon for the first time, and need to know what TCP and IP ports to close. Considering there is so many, I figure its best to just ask which ports I absolutely have to have open, then I will just shut down everything else. Could someone please give me a link to the answer? Thanks!

  2. #2
    Super Moderator
    Join Date
    May 2012
    Posts
    254
    Personally, i sit behind a router and do not worry about the ports. Been doing that 4 14 years now with no problems.
    But I have used GRC a few times https://www.grc.com/x/ne.dll?bh0bkyd2

    I get this
    THE EQUIPMENT AT THE TARGET IP ADDRESS
    DID NOT RESPOND TO OUR UPnP PROBES!
    Under Freeware are several more test you can run.

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