diff options
Diffstat (limited to 'plugin/forward/forward.go')
| -rw-r--r-- | plugin/forward/forward.go | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/plugin/forward/forward.go b/plugin/forward/forward.go index 4c842f49e..6d06f79f2 100644 --- a/plugin/forward/forward.go +++ b/plugin/forward/forward.go @@ -7,7 +7,6 @@ package forward import ( "crypto/tls" "errors" - "io" "time" "github.com/coredns/coredns/plugin" @@ -92,11 +91,9 @@ func (f *Forward) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg ret *dns.Msg err error ) - stop := false for { ret, err = proxy.connect(ctx, state, f.forceTCP, true) - if err != nil && err == io.EOF && !stop { // Remote side closed conn, can only happen with TCP. - stop = true + if err != nil && err == errCachedClosed { // Remote side closed conn, can only happen with TCP. continue } break @@ -176,6 +173,7 @@ var ( errInvalidDomain = errors.New("invalid domain for forward") errNoHealthy = errors.New("no healthy proxies") errNoForward = errors.New("no forwarder defined") + errCachedClosed = errors.New("cached connection was closed by peer") ) // policy tells forward what policy for selecting upstream it uses. |