--- squid.conf	2018-07-17 18:09:17.298394196 +0200
+++ squid.1.conf	2018-07-31 13:14:56.481900255 +0200
@@ -85,6 +85,8 @@
 	print 'auth_param negotiate children %s' % configRegistry.get( 'squid/krb5auth/children', '10' )
 	if configRegistry.is_true('squid/krb5auth/keepalive'):
 		print 'auth_param negotiate keep_alive on'
+	else:
+		print 'auth_param negotiate keep_alive off'
 	print
 if configRegistry.is_true('squid/ntlmauth'):
 	authentication = True