IP Spoofing - Suse

This is a discussion on IP Spoofing - Suse ; What does this mean? 2008/05/07 04:08:40 ** IP Spoofing ** 192.158.2.4:4531 ->> 74.75.89.33:1534 A line in my router log. -- Claude Hopper ? ? ...

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Thread: IP Spoofing

  1. IP Spoofing

    What does this mean?

    2008/05/07 04:08:40 ** IP Spoofing ** 192.158.2.4:4531 ->>
    74.75.89.33:1534

    A line in my router log.



    --
    Claude Hopper

    ? ?

  2. Re: IP Spoofing

    On 8 May, 00:57, Claude Hopper (11) 5. ?
    wrote:
    > What does this mean?
    >
    > 2008/05/07 04:08:40 ** IP Spoofing ** 192.158.2.4:4531 ->>
    > 74.75.89.33:1534
    >
    > A line in my router log.
    >
    > --
    > Claude Hopper
    >
    > ? ?


    At a guess you made a typo or your router is misconfigured - that's a
    valid internet address (but 192.168.. isn't). Normally, a packet
    turning up no the wrong interface is reported as a martian.

    Does your router run SuSE? (I recently found a list of "invalid"
    addresses in a very old installation of firestarter which should not
    have been there).

    HTH

    C.

  3. Re: IP Spoofing

    C. (http://symcbean.blogspot.com/) wrote:
    > On 8 May, 00:57, Claude Hopper (11) 5. ?
    > wrote:
    >> What does this mean?
    >>
    >> 2008/05/07 04:08:40 ** IP Spoofing ** 192.158.2.4:4531 ->>
    >> 74.75.89.33:1534
    >>
    >> A line in my router log.
    >>
    >> --
    >> Claude Hopper
    >>
    >> ? ?

    >
    > At a guess you made a typo or your router is misconfigured - that's a
    > valid internet address (but 192.168.. isn't). Normally, a packet
    > turning up no the wrong interface is reported as a martian.
    >
    > Does your router run SuSE? (I recently found a list of "invalid"
    > addresses in a very old installation of firestarter which should not
    > have been there).
    >
    > HTH
    >
    > C.


    I doctored the addresses, that's not what I asked.

    --
    Claude Hopper

    ? ?

  4. Re: IP Spoofing

    Claude Hopper (11) 5. ? wrote:
    > C. (http://symcbean.blogspot.com/) wrote:
    >> On 8 May, 00:57, Claude Hopper (11) 5. ?
    >> wrote:
    >>> What does this mean?
    >>>
    >>> 2008/05/07 04:08:40 ** IP Spoofing ** 192.158.2.4:4531 ->>
    >>> 74.75.89.33:1534
    >>>
    >>> A line in my router log.
    >>>
    >>> --
    >>> Claude Hopper
    >>>
    >>> ? ?

    >>
    >> At a guess you made a typo or your router is misconfigured - that's a
    >> valid internet address (but 192.168.. isn't). Normally, a packet
    >> turning up no the wrong interface is reported as a martian.
    >>
    >> Does your router run SuSE? (I recently found a list of "invalid"
    >> addresses in a very old installation of firestarter which should not
    >> have been there).
    >>
    >> HTH
    >>
    >> C.

    >
    > I doctored the addresses, that's not what I asked.


    Your question is what IP spoofing is? When a packet comes from, say, IP
    address X but the packet itself claims to come from IP address Y, that's
    IP spoofing; it lies about the IP it originates from.

    IP spoofing can be used to break network/computer secutiry.

    See also: http://en.wikipedia.org/wiki/IP_spoofing

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