Date: Sun, 17 Oct 2010 14:59:33 -0700 From: Nerius Landys <nlandys@gmail.com> To: Robert Bonomi <bonomi@mail.r-bonomi.com> Cc: freebsd-questions@freebsd.org Subject: Re: UDP packet spoofed LAN source address? Message-ID: <AANLkTi=7wboDK=ZsRPwsA7ZZh-51-83cs5TCm6Yv%2BH8K@mail.gmail.com> In-Reply-To: <201010171718.o9HHISJq003050@mail.r-bonomi.com> References: <201010171718.o9HHISJq003050@mail.r-bonomi.com>
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> > > > Maybe, is there a simple 10 line C program that I can run and compile to > > check if this scenario is possible on _my_ server? > > 'netcat' has the capability built in. > > root# echo "hi" | nc -u -w 1 -p 30002 -s 64.156.193.115 daffy 30001 nc: bind failed: Can't assign requested address I don't seem to be able to spoof a source address using netcat, unless I'm missing something in the man page.
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