Remove simple sleep from router accept

router/router.go

@@ -16,17 +16,12 @@ import (
 )
 
 const (
-	macMaxAge      = 10 * time.Minute     // [1]
-	tcpAcceptDelay = 1 * time.Millisecond // [2]
+	macMaxAge = 10 * time.Minute // [1]
 )
 
 // [1] should be greater than typical ARP cache expiries, i.e. > 3/2 *
 // /proc/sys/net/ipv4_neigh/*/base_reachable_time_ms on Linux
 
-// [2] time to wait between accepting tcp connections. This guards
-// against brute-force attacks on the password when encryption is in
-// use. It is also a basic DoS defence.
-
 type LogFrameFunc func(string, []byte, *layers.Ethernet)
 
 type Config struct {
@@ -212,7 +207,6 @@ func (router *Router) listenTCP(localPort int) {
 				continue
 			}
 			router.acceptTCP(tcpConn)
-			time.Sleep(tcpAcceptDelay)
 		}
 	}()
 }