From owner-freebsd-questions@FreeBSD.ORG Fri Aug 29 03:08:06 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id DE057106567A for ; Fri, 29 Aug 2008 03:08:06 +0000 (UTC) (envelope-from zhangsc@neusoft.com) Received: from mailgate.neusoft.com (mailgate.neusoft.com [210.83.25.69]) by mx1.freebsd.org (Postfix) with ESMTP id 59E8E8FC14 for ; Fri, 29 Aug 2008 03:08:05 +0000 (UTC) (envelope-from zhangsc@neusoft.com) Received: from smtp.neusoft.com ([202.107.117.28]) by mailgate.neusoft.com (8.13.1/8.13.1) with ESMTP id m7S2t0la009878 for ; Thu, 28 Aug 2008 10:55:00 +0800 Received: from NEUSOFTEAF5839 ([192.168.131.63]) by smtp.neusoft.com (iPlanet Messaging Server 5.2 Patch 2 (built Jul 14 2004)) with ESMTPPSA id <0K6A00BU4J4WHI@smtp.neusoft.com> for freebsd-questions@freebsd.org; Thu, 28 Aug 2008 11:02:56 +0800 (CST) Date: Thu, 28 Aug 2008 11:03:18 +0800 From: EdwardKing To: FreeBSD Message-id: <002e01c908ba$a0bd2760$3f83a8c0@neusofteaf5839> MIME-version: 1.0 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.3350 X-Mailer: Microsoft Outlook Express 6.00.2900.3138 X-Priority: 3 X-MSMail-priority: Normal X-Neusoft-MailScanner-Information: Please contact the ISP for more information X-Neusoft-MailScanner: Found to be clean Content-Type: text/plain; charset=gb2312 Content-Transfer-Encoding: 7BIT X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Subject: Where is wrong with tcpdump? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 29 Aug 2008 03:08:07 -0000 I want to watch ip:172.0.10.2 port:19 TCP information,so I use following command: #tcpdump tcp port 19 host 172.0.10.2 tcpdump: syntax error Why? How to do it? Thanks ---------------------------------------------------------------------------------------------- Confidentiality Notice: The information contained in this e-mail and any accompanying attachment(s) is intended only for the use of the intended recipient and may be confidential and/or privileged of Neusoft Corporation, its subsidiaries and/or its affiliates. If any reader of this communication is not the intended recipient, unauthorized use, forwarding, printing, storing, disclosure or copying is strictly prohibited, and may be unlawful. If you have received this communication in error, please immediately notify the sender by return e-mail, and delete the original message and all copies from your system. Thank you. -----------------------------------------------------------------------------------------------