From owner-freebsd-pf@FreeBSD.ORG Thu Jan 14 19:15:29 2010 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 EE810106568D for ; Thu, 14 Jan 2010 19:15:28 +0000 (UTC) (envelope-from k@kevinkevin.com) Received: from mail-qy0-f174.google.com (mail-qy0-f174.google.com [209.85.221.174]) by mx1.freebsd.org (Postfix) with ESMTP id AF57C8FC14 for ; Thu, 14 Jan 2010 19:15:28 +0000 (UTC) Received: by qyk4 with SMTP id 4so11941278qyk.7 for ; Thu, 14 Jan 2010 11:15:18 -0800 (PST) Received: by 10.224.87.9 with SMTP id u9mr1250213qal.223.1263496507359; Thu, 14 Jan 2010 11:15:07 -0800 (PST) Received: from kkPC (not.enough.unixsluts.com [76.10.166.187]) by mx.google.com with ESMTPS id 8sm144350yxg.6.2010.01.14.11.15.04 (version=SSLv3 cipher=RC4-MD5); Thu, 14 Jan 2010 11:15:05 -0800 (PST) From: "kevin" To: Date: Thu, 14 Jan 2010 14:14:53 -0500 Message-ID: <010801ca954d$db567fe0$92037fa0$@com> MIME-Version: 1.0 X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: AcqVTdmQHn+AZUSDSVG7t80tHWFaFw== Content-Language: en-us Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Subject: pf > round robin 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, 14 Jan 2010 19:15:29 -0000 Hello, I'm sure this topic has come up previously, however I'm just curious if FreeBSD's PF + round robin load balancing to tcp port 80 has any status checking built in. That is to say, if server1's tcp 80 is not even responsive, does PF still send traffic to it? It would be great if this was built in. If not (as I suspect), what alternatives could be had to implement some sort of status checking, while still using PF's round-robing directive? Thanks, Kevin