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  1. #1

    Member Since
    Apr 03, 2011
    Tracking cookie/spyware/adware/malware?
    Hi, I was recently interested to see if there were any tracking cookies or malware or the like on my macbook pro (using safari). I went to a thread here:
    Mac spyware/adware/malware problem - MacRumors Forums

    where people suggested
    % cat /private/etc/hosts
    or equivalently
    % cat /etc/hosts
    ...but did not suggest any followup courses of action in case there was a problem.

    when I did this I saw an unusual entry (at the end) that I don't quite understand:

    $ cat /etc/hosts
    # Host Database
    # localhost is used to configure the loopback interface
    # when the system is booting.  Do not change this entry.
    ##	localhost	broadcasthost
    ::1             localhost 
    fe80::1%lo0	localhost
    is there a problem with that last entry? It looks odd to me. If not, what is it? If so, what should I do?

    Is there another (easier?) way to determine if I have any tracking cookies or malware installed on my computer? My specific question actually arises from this general question.


  2. #2

    schweb's Avatar
    Member Since
    Oct 27, 2002
    Cleveland, Ohio
    MacBook Pro | LED Cinema Display | iPhone 4 | iPad 2
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  3. #3

    Member Since
    Apr 03, 2011
    Thanks for that quick reply which answers my general question. I hope that I also might get an answer to my specific question above as well.

  4. #4

    mtbinva's Avatar
    Member Since
    Jan 13, 2010
    East Coast
    15"MBP 2.66, 750GB 7200RPM HD, 8GB RAM; iPhone4S 64GB; 32GB iPad, White, AT&T.
    Google is your friend. Here is the answer to your question.

    osx - What is the relevance of "fe80::1%lo0 localhost" in /etc/hosts? - Super User

  5. #5

    Member Since
    Apr 03, 2011
    ohhh that hurts... Sorry didn't I search that. I thought, naively, that that strange IP would certainly be specific to my machine.
    Thanks many times,

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