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plugin/transfer: only allow outgoing axfr over tcp (#4452)

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* plugin/transfer: only allow outgoing axfr over tcp

Return refused when the query comes in over udp.
No need to add a new test case as the current crop needed to be changed
to use TCP.

Fixes: #4450

Signed-off-by: Miek Gieben <miek@miek.nl>

* transfer tests: this needs tcp as well

Signed-off-by: Miek Gieben <miek@miek.nl>
This commit is contained in:
Miek Gieben
2021-02-05 10:51:29 +01:00
committed by GitHub
parent 03812bb1e7
commit 56bc7f399a
5 changed files with 17 additions and 11 deletions
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2
plugin/transfer/failed_write_test.go
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@@ -20,7 +20,7 @@ func (w *badwriter) WriteMsg(res *dns.Msg) error { return fmt.Errorf("failed to
func TestWriteMessageFailed(t *testing.T) {
transfer := newTestTransfer()
ctx := context.TODO()
w := &badwriter{ResponseWriter: &test.ResponseWriter{}}
w := &badwriter{ResponseWriter: &test.ResponseWriter{TCP: true}}
m := &dns.Msg{}
m.SetAxfr("example.org.")