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| author |  Chris O'Haver <cohaver@infoblox.com>
| 2020-12-15 08:02:15 -0500 |
|---|---|---|
| committer |  GitHub <noreply@github.com>
| 2020-12-15 14:02:15 +0100 |
| commit | 9cb53487ecc7ded29672b22bc7716a8eec095865 (patch) | |
| tree | f369a9f47671f2117c78e7a94c4309a6426b6ac3 /plugin/forward/forward.go | |
| parent | 45bf23f14526ecca4e72a7c5adc84e0e92f490e4 (diff) | |
| download | coredns-9cb53487ecc7ded29672b22bc7716a8eec095865.tar.gz coredns-9cb53487ecc7ded29672b22bc7716a8eec095865.tar.zst coredns-9cb53487ecc7ded29672b22bc7716a8eec095865.zip | |
respond with REFUSED when max_concurrent is exceeded to avoid caching it (#4326)
Signed-off-by: Chris O'Haver <cohaver@infoblox.com>
Diffstat (limited to 'plugin/forward/forward.go')
| -rw-r--r-- | plugin/forward/forward.go | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/plugin/forward/forward.go b/plugin/forward/forward.go index eff8f7030..5f7d343de 100644 --- a/plugin/forward/forward.go +++ b/plugin/forward/forward.go @@ -83,7 +83,7 @@ func (f *Forward) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg defer atomic.AddInt64(&(f.concurrent), -1) if count > f.maxConcurrent { MaxConcurrentRejectCount.Add(1) - return dns.RcodeServerFailure, f.ErrLimitExceeded + return dns.RcodeRefused, f.ErrLimitExceeded } } |