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-rw-r--r--pkg/tcpip/transport/tcp/accept.go7
1 files changed, 6 insertions, 1 deletions
diff --git a/pkg/tcpip/transport/tcp/accept.go b/pkg/tcpip/transport/tcp/accept.go
index 2c65b737d..2b5abd3ee 100644
--- a/pkg/tcpip/transport/tcp/accept.go
+++ b/pkg/tcpip/transport/tcp/accept.go
@@ -560,6 +560,10 @@ func (e *endpoint) handleListenSegment(ctx *listenContext, s *segment) tcpip.Err
}
switch {
+ case s.flags.Contains(header.TCPFlagRst):
+ e.stack.Stats().DroppedPackets.Increment()
+ return nil
+
case s.flags == header.TCPFlagSyn:
if e.acceptQueueIsFull() {
e.stack.Stats().TCP.ListenOverflowSynDrop.Increment()
@@ -611,7 +615,7 @@ func (e *endpoint) handleListenSegment(ctx *listenContext, s *segment) tcpip.Err
e.stack.Stats().TCP.ListenOverflowSynCookieSent.Increment()
return nil
- case (s.flags & header.TCPFlagAck) != 0:
+ case s.flags.Contains(header.TCPFlagAck):
if e.acceptQueueIsFull() {
// Silently drop the ack as the application can't accept
// the connection at this point. The ack will be
@@ -753,6 +757,7 @@ func (e *endpoint) handleListenSegment(ctx *listenContext, s *segment) tcpip.Err
return nil
default:
+ e.stack.Stats().DroppedPackets.Increment()
return nil
}
}