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Thread: Is it illegal to port scan computers ?

  1. #1
    Just burned his ISO
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    Default Is it illegal to port scan computers ?

    I wood like to know if is is illegal to run nmap on computers around
    the world? I am sure that it will bee show up in detection system and
    guess that the ISP will not like it that much. But the question is if it is illegal or not.

    Belive a nessus scan default config use more advanced techniques that makes it illigal too run on computers with no permission.

    / capron

  2. #2
    Senior Member streaker69's Avatar
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    Quote Originally Posted by capron View Post
    I wood like to know if is is illegal to run nmap on computers around
    the world? I am sure that it will bee show up in detection system and
    guess that the ISP will not like it that much. But the question is if it is illegal or not.

    Belive a nessus scan default config use more advanced techniques that makes it illigal too run on computers with no permission.

    / capron
    While there may not be a law directly addressing portscan/reconnaissance activities. It is generally forbidden by the your ISP's TOS/AUP. There are a growing number of bastards like myself that take great delight in finding people doing such activities and reporting them to their respective ISP's and having their accounts canceled for doing it.

    Basically, you have no good reason to be conducting portscans against networks that you are not authorized to do so.
    A third party security audit is the IT equivalent of a colonoscopy. It's long, intrusive, very uncomfortable, and when it's done, you'll have seen things you really didn't want to see, and you'll never forget that you've had one.

  3. #3
    Very good friend of the forum hhmatt's Avatar
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    Quote Originally Posted by capron View Post
    I wood like to know if is is illegal to run nmap on computers around
    the world? I am sure that it will bee show up in detection system and
    guess that the ISP will not like it that much. But the question is if it is illegal or not.

    Belive a nessus scan default config use more advanced techniques that makes it illigal too run on computers with no permission.

    / capron
    I would say no, but if its against your ISP's TOS you may find yourself looking for a new ISP.

    P.S. Try and use a spell checker next time.

  4. #4
    Super Moderator Archangel-Amael's Avatar
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    Quote Originally Posted by streaker69 View Post
    There are a growing number of bastards like myself that take great delight in finding people doing such activities and reporting them to their respective ISP's and having their accounts canceled for doing it.
    I don't know about bastards. Delighting yes .


    Not to mention any decent IDS and/or firewall will probably drop the packets.
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  5. #5
    Just burned his ISO
    Join Date
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    Default Thanks all

    Thanks all now I know how it is.

    I will try too join the club of growing basters. Start out with installing
    snort and look if there are any portscans on me.

    / capron

  6. #6

    Default

    Quote Originally Posted by capron View Post
    I wood like to know if is is illegal to run nmap on computers around
    the world?

    / capron
    not against countries that the US doesn't extradite to

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