From mboxrd@z Thu Jan 1 00:00:00 1970 From: Aleksandar Milivojevic Subject: Re: Problems with connection Date: Mon, 13 Sep 2004 16:30:29 -0500 Sender: netfilter-bounces@lists.netfilter.org Message-ID: <41461175.6050602@pbl.ca> References: <20040913210115.54459.qmail@web50202.mail.yahoo.com> <1095110328.1899.26.camel@wolfpack.ljm.dom> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1095110328.1899.26.camel@wolfpack.ljm.dom> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: netfilter-bounces@lists.netfilter.org Content-Type: text/plain; charset="us-ascii"; format="flowed" To: netfilter@lists.netfilter.org Jason Opperisano wrote: > 2) try doing a tcpdump on the outside interface and capture the packet > data as well: > > tcpdump -i $OUTSIDE -s 1500 -w output.cap host $SERVER_MACHINE > > then open that capture file (output.cap) in something (ethereal is > nice), and if the protocol exchanges data in clear text--you may gain a > better grasp of what's going on... I second that one. Looking only at the inside interface tells only one half of the story. Ethereal also have nice feature, if one packet of the connection is selected (say first), and than Analyze -> Follow TCP Stream, you'll get complete data exchange (coloured as input and output). -- Aleksandar Milivojevic Pollard Banknote Limited Systems Administrator 1499 Buffalo Place Tel: (204) 474-2323 ext 276 Winnipeg, MB R3T 1L7