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scanning ports on computer

Discussion in 'Desktop & Laptop Computers Forum' started by showcase, Aug 26, 2005.

  1. showcase

    showcase
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    hi

    i am not sure... how can i check what ports are open on my computer, does any1 use any kind of software... i do not nw much about ports and which should be open and which should not :( .... but its better to be safe thou

    any help would be appreciated
    cheers
     
  2. cwick

    cwick
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  3. mjn

    mjn
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  4. jameson_uk

    jameson_uk
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    In that case none should be open. You only need to have open ports if you want something to be able to connect to you machine (or network) from the net.

    Think about ports as the front doors of a line of buildings. If the building is a shop, the door would need to be open to allow customers in. If the building was a house you would probably want the door shut to stop anyone getting in and stealing everything
     
  5. The Dude

    The Dude
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    yep.. with any kind of firewall running, there shouldn't be any oen ports unless you have specifically oened them.. :)
     
  6. showcase

    showcase
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    hey cheers, made sence sort off
     
  7. showcase

    showcase
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    i have norton anti virus and firewall.... have they got a port scanner software as well, what is it called, i had a look but could not find one
     
  8. showcase

    showcase
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    hi
    in ms dos i did netstat -a

    i get a hugh list some are listening, some are connected, and some time-wait, when i check my norton firewall, i get udp 5 open and tcp 78 open and under tcp nothing is blocked.... firwall tcp connection inbound premitted 1110 and 0 blocked, and outbound premitted 2289 and 0 blocked

    i'm i doing something wrong.... i have not changed anything since installing norton firewall.


    this is all confusing.. i told want to be left open to the so called 'outside world'

    any help plez
     

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