diff --git a/src/ca/cac.cpp b/src/ca/cac.cpp
index 7b3d41b32..c236360ec 100644
--- a/src/ca/cac.cpp
+++ b/src/ca/cac.cpp
@@ -175,6 +175,10 @@ cac::~cac ()
         tsDLIterBD <tcpiiu> piiu ( this->iiuList.first () );
         while ( piiu.valid () ) {
             tsDLIterBD <tcpiiu> pnext = piiu.itemAfter ();
+            {
+                osiAutoMutex autoMutex ( this->defaultMutex );
+                piiu->disconnectAllChan ( *this->pudpiiu );
+            }
             piiu->disconnect ();
             piiu->suicide ();
             piiu = pnext;
@@ -250,6 +254,12 @@ void cac::processRecvBacklog ()
                 }
             }
 
+            if ( piiu->channelCount () ) {
+                char hostNameTmp[64];
+                piiu->hostName ( hostNameTmp, sizeof ( hostNameTmp ) );
+                genLocalExcep ( *this, ECA_DISCONN, hostNameTmp );
+            }
+
             {
                 osiAutoMutex autoMutex ( this->defaultMutex );
                 piiu->disconnectAllChan ( *this->pudpiiu );