From mboxrd@z Thu Jan 1 00:00:00 1970 From: Florian Westphal Subject: Re: Linux netfilter / iptables : How to enable iptables TRACE chain handling with nf_log_syslog on RHEL8+? Date: Sun, 25 Jun 2023 15:40:39 +0200 Message-ID: <20230625134039.GB3207@breakpoint.cc> References: Mime-Version: 1.0 Return-path: Content-Disposition: inline In-Reply-To: List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Jason Vas Dias , Jason Vas Dias Cc: netfilter-devel@vger.kernel.org, netfilter@vger.kernel.org Jason Vas Dias wrote: > > Good day - > > On a Linux RHEL8 system, I have enabled these iptables rules, > which I am led to believe should enable ICMP packet syslog > logging on interface ingress & egress : > > # iptables -L -t raw > Chain PREROUTING (policy ACCEPT) > target prot opt source destination > TRACE icmp -- anywhere anywhere > > Chain OUTPUT (policy ACCEPT) > target prot opt source destination > TRACE icmp -- anywhere anywhere Run "xtables-monitor --trace".