Date: Wed, 20 Sep 2000 15:23:44 +0200 From: Marc Silver <marcs@draenor.org> To: Daan Franke <daan@websilon.nl> Cc: "'questions@freebsd.org'" <questions@freebsd.org> Subject: Re: TCP/IP fingerprint masqing Message-ID: <20000920152344.L94643@draenor.org> In-Reply-To: <3182D9D293F2D211B15A00500416D4902E1596@baco.websilon.nl>; from daan@websilon.nl on Wed, Sep 20, 2000 at 02:54:34PM %2B0200 References: <3182D9D293F2D211B15A00500416D4902E1596@baco.websilon.nl>
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Hi there, Taken from LINT: # TCP_DROP_SYNFIN adds support for ignoring TCP packets with SYN+FIN. # This prevents nmap et al. from identifying the TCP/IP stack, but # breaks support for RFC1644 extensions and is not recommended for web # servers. Cheers, Marc On Wed, Sep 20, 2000 at 02:54:34PM +0200, Daan Franke wrote: > Hi, > > I am wondering, is it possible to change the tcp/ip fingerprint of a fbsd > box, with tools or some cool kernel option. > > This would help me out. > > Thanks. > > Daan Franke > System Engineer To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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