diff options
| -rw-r--r-- | plugin/rewrite/reverter.go | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/plugin/rewrite/reverter.go b/plugin/rewrite/reverter.go index 00e41454e..9b1de0563 100644 --- a/plugin/rewrite/reverter.go +++ b/plugin/rewrite/reverter.go @@ -36,7 +36,10 @@ func NewResponseReverter(w dns.ResponseWriter, r *dns.Msg) *ResponseReverter { } // WriteMsg records the status code and calls the underlying ResponseWriter's WriteMsg method. -func (r *ResponseReverter) WriteMsg(res *dns.Msg) error { +func (r *ResponseReverter) WriteMsg(res1 *dns.Msg) error { + // Deep copy 'res' as to not (e.g). rewrite a message that's also stored in the cache. + res := res1.Copy() + res.Question[0] = r.originalQuestion if r.ResponseRewrite { for _, rr := range res.Answer { |