From owner-freebsd-net Thu May 21 05:38:49 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id FAA29617 for freebsd-net-outgoing; Thu, 21 May 1998 05:38:49 -0700 (PDT) (envelope-from owner-freebsd-net@FreeBSD.ORG) Received: from msf1.swe.ids.dps.casa.es (h010201.nexo.es [194.75.10.201]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id FAA29455 for ; Thu, 21 May 1998 05:37:00 -0700 (PDT) (envelope-from jlfreniche@acm.org) Received: from hpswe.swe.ids.dps.casa.es (hpswe.swe.ids.dps.casa.es [172.16.50.100]) by msf1.swe.ids.dps.casa.es (8.8.8/8.8.8) with ESMTP id MAA00859; Thu, 21 May 1998 12:37:36 +0200 (CEST) (envelope-from jlfreniche@acm.org) Received: from hpswe.swe.ids.dps.casa.es (localhost [127.0.0.1]) by hpswe.swe.ids.dps.casa.es with SMTP (8.7.6/8.7.3) id OAA08448; Thu, 21 May 1998 14:38:12 +0200 (METDST) Message-ID: <35642034.79A2@acm.org> Date: Thu, 21 May 1998 14:38:12 +0200 From: "Juan L. Freniche" X-Mailer: Mozilla 3.01Gold (X11; I; HP-UX B.10.20 9000/879) MIME-Version: 1.0 To: C L CC: freebsd-net@FreeBSD.ORG Subject: Re: Questions about Packet Filter References: <19980520191245.16963.rocketmail@send1e.yahoomail.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org C L wrote: > > 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? > > 2. Solaris seems having a similar soft-driver called "Network > Interface Tap". Anybody use that before? Can it monitoring both > incoming and outgoing packages? > > 3. Any similar programming interface in the socket level? > > 4. How about in HP-UX, Linux, and AIX? > You should consult the latest book of W. R. Stevens, Prentice Hall, about Network Programming. All is responded in the book. -- -------------------------- E-Mail: jlfreniche@acm.org -------------------------- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message