From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Herz Subject: ICMPv6 Type 1 Code 5 and 6 missing in iptables REJECT target and icmpv6 match Date: Wed, 19 Aug 2015 16:51:36 +0200 Message-ID: <20150819145136.GN21654@kvmbude> Mime-Version: 1.0 Return-path: Content-Disposition: inline Sender: netfilter-devel-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: netfilter-devel@vger.kernel.org, netfilter@vger.kernel.org Hi, as i read the RFC 7084 i found the following suggestion: > L-14: The IPv6 CE router MUST send an ICMPv6 Destination Unreachable > message, code 5 (Source address failed ingress/egress policy) > for packets forwarded to it that use an address from a prefix > that has been invalidated. And in RFC 4443 they are defined as: > 5 - Source address failed ingress/egress policy > 6 - Reject route to destination Is there a reason for that? If i look into the "extensions/libip6t_icmp6.c" i just see the codes 0,1,2,3,4 for type 1. And in "include/linux/netfilter_ipv6/ip6t_REJECT.h" it's "IP6T_ICMP6_ECHOREPLY" which doesnt' sound like the one in the RFC. Or is it just missing, so i might add it? Thanks -- Andreas Herz