Date: Mon, 8 Jul 2002 16:25:51 +0200 From: <mcrosland@chello.nl> To: freebsd-security@freebsd.org Subject: [Fwd: Fwd: Re: hiding OS name] Message-ID: <20020708142551.MOXD28368.amsfep12-int.chello.nl@[127.0.0.1]>
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> > Van: Mike Crosland <mcrosland@hbh-it.nl> > Datum: 2002/07/08 ma PM 04:21:38 GMT+02:00 > Aan: mcrosland@chello.nl > Onderwerp: Fwd: Re: hiding OS name > > > > ---------- Forwarded Message ---------- > > Subject: Fwd: Re: hiding OS name > Date: Mon, 8 Jul 2002 16:13:04 +0200 > From: Mike Crosland <mcrosland@hbh-it.nl> > To: freebsd-security@freebsd.org > > ---------- Forwarded Message ---------- > > Subject: Fwd: Re: hiding OS name > Date: Mon, 8 Jul 2002 12:09:53 +0200 > From: Mike Crosland <mcrosland@hbh-it.nl> > To: security@freebsd.org > > ---------- Forwarded Message ---------- > > Subject: Re: hiding OS name > Date: Mon, 8 Jul 2002 11:18:17 +0200 > From: Mike Crosland <mcrosland@hbh-it.nl> > To: Nathan Kinkade <nkinkade@dsl-only.com> > > On Monday 08 July 2002 06:29, Nathan Kinkade wrote: > > On Mon, 8 Jul 2002 09:32:09 +0700 > > > > "Asep Ruspeni" <ruspeni@mti.itb.ac.id> wrote: > > > I am newbie in FreeBSD OS, but i have lot of concerned in securing > > > system. > > > > > > I have questions like this : > > > > > > - how can i set-up FreeBSD, so when it being scanned, it's show no > > > operating system name + version. > > > - is there any articles i colud read about securing freeBSD such as > > > the question i ask above. > > > > > > thank you in advance. > > You could try re-compiling the kernel to drop packets with SYN+FIN, which > prevents fingertprinting the staqck, but LINT carries a warning about this > not being good for web servers. If you're not running a webserver though, the > option is > > options TCP_DROP_SYNFIN > > > Michael Crosland > > Systeem Beheerder > > --------------------------------------- > HBH Automatisering BV + > Koningslaan 30 + > 1075 AD Amsterdam + > --------------------------------------- > > ------------------------------------------------------- > > -- > Met vriendelijk groeten, > > > Michael Crosland > > Systeem Beheerder > > --------------------------------------- > HBH Automatisering BV + > Koningslaan 30 + > 1075 AD Amsterdam + > Tel: 020-6624145 Ext: 808 + > Fax: 020-6764478 > Mobiel 0647 166305 + > --------------------------------------- > > ------------------------------------------------------- > > -- > Met vriendelijk groeten, > > > Michael Crosland > > Systeem Beheerder > > --------------------------------------- > HBH Automatisering BV + > Koningslaan 30 + > 1075 AD Amsterdam + > Tel: 020-6624145 Ext: 808 + > Fax: 020-6764478 > Mobiel 0647 166305 + > --------------------------------------- > > ------------------------------------------------------- > > -- > Met vriendelijk groeten, > > > Michael Crosland > > Systeem Beheerder > > --------------------------------------- > HBH Automatisering BV + > Koningslaan 30 + > 1075 AD Amsterdam + > Tel: 020-6624145 Ext: 808 + > Fax: 020-6764478 > Mobiel 0647 166305 + > --------------------------------------- > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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