Date: Thu, 18 Oct 2012 09:31:34 +0330 From: saeedeh motlagh <saeedeh.motlagh@gmail.com> To: h bagade <bagadeh@gmail.com> Cc: freebsd-net@freebsd.org Subject: Re: TCP_DROP_SYNFIN kernel option side effects?! Message-ID: <CAN%2BS=WAsRiEUwODtBCTQd%2BT03Rc%2B_8qBJjbRgzr%2BXRAREg%2B5Ng@mail.gmail.com> In-Reply-To: <CAARSjE15=zkw0V3hWFgmt0drnAOzB%2BUZ9TGZo%2B4Z9UcgNLPG4A@mail.gmail.com> References: <CAARSjE15=zkw0V3hWFgmt0drnAOzB%2BUZ9TGZo%2B4Z9UcgNLPG4A@mail.gmail.com>
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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*.** * * * * * * * On Tue, Oct 16, 2012 at 6:57 PM, h bagade <bagadeh@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. > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" >
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