Date: Wed, 11 Dec 1996 09:16:58 +0200 (EET) From: Petri Helenius <pete@sms.fi> To: Brian Tao <taob@io.org> Cc: FREEBSD-SECURITY-L <freebsd-security@freebsd.org> Subject: Re: Risk of having bpf0? (was URGENT: Packet sniffer found on my system) Message-ID: <199612110716.JAA01999@silver.sms.fi> In-Reply-To: <Pine.BSF.3.95.961210215417.9494P-100000@nap.io.org> References: <9612101452.AA21942@halloran-eldar.lcs.mit.edu> <Pine.BSF.3.95.961210215417.9494P-100000@nap.io.org>
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Brian Tao writes: > What are people's feelings on enabling devices like bpf or snp > in the kernel on a public server? Obviously, had I not compiled bpf > into the shell and Web server kernels, this particular incident would > never have happened. However, I like to have access to tcpdump to > check for things like ping floods, and trafshow to see where bytes are > being sent. > I think one consideration here is that to run some of the desired functionality, like dhcpd, you need to have them. Pete
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