From owner-freebsd-pf@FreeBSD.ORG Thu Oct 9 23:03:44 2008 Return-Path: Delivered-To: freebsd-pf@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0657D1065686 for ; Thu, 9 Oct 2008 23:03:44 +0000 (UTC) (envelope-from alancyang@gmail.com) Received: from wr-out-0506.google.com (wr-out-0506.google.com [64.233.184.232]) by mx1.freebsd.org (Postfix) with ESMTP id B6ACC8FC13 for ; Thu, 9 Oct 2008 23:03:43 +0000 (UTC) (envelope-from alancyang@gmail.com) Received: by wr-out-0506.google.com with SMTP id c8so59700wra.27 for ; Thu, 09 Oct 2008 16:03:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:mime-version:content-type:content-transfer-encoding :content-disposition; bh=YQAmXPloOwELcdf225tFV7juQYb7hLTasZ7OcISJ6PY=; b=x2MuSffeHYHmz2drB2DWcOZn+MZHCQnAyZpPritvlV80V6eiB0wFYlenTJv3Hp/aoG iG2ppTntTcXI4P30j1VyI2lkDPGTKy9CZMxKwVsmAiciG2+zC7OD+gV4oeym/qZbQXyH 9A7JHevZDaivTyFY9arpnJm4OcrkHvqChDnys= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:mime-version:content-type :content-transfer-encoding:content-disposition; b=gKozfZj9Ix77xMNIAJf20++qCAdhkoX3Ro2Zn0AS9jxbylGcEOzFtWaEIw0XG5F4h5 2wxei2VrjcQ3YTTpuSqewJxyqSp3vJa956qRvM60jYID6mbZVd0bM+UK1M0XHiWP4gZl VVJ48sAh2cL18fCZ2nJ5pUyoKb4TY8cQJ05J8= Received: by 10.90.99.3 with SMTP id w3mr614505agb.27.1223591813344; Thu, 09 Oct 2008 15:36:53 -0700 (PDT) Received: by 10.90.94.14 with HTTP; Thu, 9 Oct 2008 15:36:52 -0700 (PDT) Message-ID: <290865fd0810091536s2fa38f4ao8fb2114fa7431441@mail.gmail.com> Date: Thu, 9 Oct 2008 15:36:52 -0700 From: "alan yang" To: freebsd-pf@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline Subject: packet flow in pf framework X-BeenThere: freebsd-pf@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Technical discussion and general questions about packet filter \(pf\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Oct 2008 23:03:44 -0000 sorry if this is naive. i wonder how packet flow in / out pf framework within kernel, is it BSD Packet Filter (BPF) approach...? appreciate if people can shed some light where to start tracing pf code. thanks in advance.