From owner-freebsd-questions@FreeBSD.ORG Fri Aug 29 03:49:34 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 8E925106566C for ; Fri, 29 Aug 2008 03:49:34 +0000 (UTC) (envelope-from pprocacci@datapipe.com) Received: from fmailhost03.isp.att.net (fmailhost03.isp.att.net [207.115.11.53]) by mx1.freebsd.org (Postfix) with ESMTP id 7878B8FC1A for ; Fri, 29 Aug 2008 03:49:34 +0000 (UTC) (envelope-from pprocacci@datapipe.com) Received: from [10.5.21.122] (adsl-241-169-57.bna.bellsouth.net[74.241.169.57]) by isp.att.net (frfwmhc03) with ESMTP id <20080829034933H030024hgfe>; Fri, 29 Aug 2008 03:49:34 +0000 X-Originating-IP: [74.241.169.57] Message-ID: <48B771BD.9000308@datapipe.com> Date: Thu, 28 Aug 2008 22:49:17 -0500 From: "Paul A. Procacci" User-Agent: Thunderbird 2.0.0.16 (Windows/20080708) MIME-Version: 1.0 To: EdwardKing References: <002e01c908ba$a0bd2760$3f83a8c0@neusofteaf5839> In-Reply-To: <002e01c908ba$a0bd2760$3f83a8c0@neusofteaf5839> Content-Type: text/plain; charset=GB2312 Content-Transfer-Encoding: 7bit Cc: FreeBSD Subject: Re: 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 03:49:34 -0000 EdwardKing wrote: > 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. > ----------------------------------------------------------------------------------------------- > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" > tcpdump tcp port 19 and host 172.0.10.2 Works here; P