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Date:      Tue, 16 Feb 2010 19:09:29 -0300
From:      Martin Lopreiato <martin.lopreiato@gmail.com>
To:        freebsd-net@freebsd.org
Subject:   Forging ipv6 addresses?
Message-ID:  <e51d9a111002161409i33162be5v74c024533973a22d@mail.gmail.com>

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hello,

i want to send a packet with a forged ipv6 address. i tried using
sendmsg() with ancilliary data, but it seems I can only select an
address that has been configured on my system. if I select an
arbitrary ipv6 address that i want to forge, i get "can't assign
requested address" (in freebsd). isn't it possible to forge an ipv6 address
with sendmsg()?

note: if i use a configured address, my code works perfectly. so the
error message i'm getting when trying to forge an ipv6 address does
not seem to be related to a bug in my code.
thnx,
/m



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