i know in RFC 1644 TCP packets SYN and FIN flags are set for some testing
issues but not sure if it has being used in any other issues*.**
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On Tue, Oct 16, 2012 at 6:57 PM, h bagade <baga...@gmail.com> wrote:

> Hi all,
>
> I need to add this option to kernel in order to defeating Nmap
> OS-Fingerprinting. My system is running as Web Server and  also it is the
> gateway on the network.
> I want to know if setting this option has any side effects on other parts
> of the system? Is there any situation that SYN and FIN bits are set both in
> TCP packets? Is it a normal situation?
>
> Any helps or comments are really appreciated.
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