Date: 22 May 1998 19:44:12 -0500 From: Dave Marquardt <marquard@zilker.net> To: freebsd-hackers@FreeBSD.ORG Subject: Re: Questions about Packet Filter Message-ID: <854syh95pf.fsf@localhost.zilker.net> In-Reply-To: Mike Smith's message of "Wed, 20 May 1998 11:45:46 -0700" References: <199805201845.LAA01405@dingo.cdrom.com>
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Mike Smith <mike@smith.net.au> writes: > > Very appreciated if anybody can answer the questions: > > > > 1. Does BPF support the monitoring of out going packages? how? I know > > it can monitor the receiving packages and directly write a new package > > into the specified network interface. How about the packages written > > by other network or transport protocols? > > Yes. A simple test would have show you this. > > > 2. Solaris seems having a similar soft-driver called "Network > > Interface Tap". Anybody use that before? Can it monitoring both > > incoming and outgoing packages? > > Yes. > > > 3. Any similar programming interface in the socket level? > > No. > > > 4. How about in HP-UX, Linux, and AIX? AIX has BPF, but read only. BPF was ported read-only to support tcpdump. -Dave To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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