From mboxrd@z Thu Jan 1 00:00:00 1970 From: Raymond Leach Subject: What does this mean? Date: 27 Feb 2003 17:06:49 +0200 Sender: netfilter-admin@lists.netfilter.org Message-ID: <1046358409.11465.23.camel@raylinux.internal> Reply-To: raymondl@knowledgefactory.co.za Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: Errors-To: netfilter-admin@lists.netfilter.org List-Help: List-Post: List-Subscribe: , List-Id: List-Unsubscribe: , List-Archive: Content-Type: text/plain; charset="us-ascii" To: Netfilter Mailing List Hi I see this in my firewall log: Feb 27 16:51:19 firefly kernel: DROP FORWARD INTERNAL: IN=eth2 OUT=eth0 SRC=10.0.0.67 DST=68.84.228.144 LEN=60 TOS=0x00 PREC=0x00 TTL=63 ID=64368 DF PROTO=TCP SPT=54767 DPT=0 WINDOW=5840 RES=0x00 CWR ECE SYN URGP=0 What is DPT=0? I've never heard of using port 0 ... What is CWR ECE SYN? Are they TCP flags? If so, what is CWR ECE ? Ray --