Date: Mon, 28 Oct 2002 12:24:25 -0800 From: Terry Lambert <tlambert2@mindspring.com> To: sepehr sohrabi <sepehr_soh@hotmail.com> Cc: freebsd-net@freebsd.org Subject: Re: spoofing source code in kernel Message-ID: <3DBD9CF9.DCFBC8B0@mindspring.com> References: <F31rsOZoybKw2NIMcDE00006c3c@hotmail.com>
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sepehr sohrabi wrote: > Hi list > Anyone has source code for spoofing (in kernel) for all input Tcp/IP packets > .For any TCP/IP packet recieve it creates an ACK for it . > someThing like spoofing GW > CLIENT <-----> GW <-------> server > connections are spoofed Since the SYN bit has to be set for the initial three-way handshake, blindly ACK'ing isn't going to get you anything. Except maybe ACK's to things you shouldn't be ACK'ing in the first place. On a general note, ACK'ing in the interrupt handler is about the most stupid thing you can possibly do, and it's not going to be any faster. -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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