From d0adf6f3a6751210f894d3feb2094c28bf077382 Mon Sep 17 00:00:00 2001 From: Miek Gieben Date: Tue, 11 Dec 2018 20:27:29 +0000 Subject: [PATCH] edns0 compliance: set correct RCODE (#2388) The miekg/dns API is a bit scruffy (documentation PR in flight soon), but these both need to be set for the correct RCODE to be reflected in the returned packet. Signed-off-by: Miek Gieben --- plugin/pkg/edns/edns.go | 1 + 1 file changed, 1 insertion(+) diff --git a/plugin/pkg/edns/edns.go b/plugin/pkg/edns/edns.go index e99fdfb0a..68fb03865 100644 --- a/plugin/pkg/edns/edns.go +++ b/plugin/pkg/edns/edns.go @@ -55,6 +55,7 @@ func Version(req *dns.Msg) (*dns.Msg, error) { o.Hdr.Name = "." o.Hdr.Rrtype = dns.TypeOPT o.SetVersion(0) + m.Rcode = dns.RcodeBadVers o.SetExtendedRcode(dns.RcodeBadVers) m.Extra = []dns.RR{o}