diff --git a/conf/tfe/tfe.conf b/conf/tfe/tfe.conf
index 8314239..0afdabf 100644
--- a/conf/tfe/tfe.conf
+++ b/conf/tfe/tfe.conf
@@ -23,6 +23,16 @@ stek_group_num=4
 stek_rotation_time=3600
 service_cache_succ_as_app_not_pinning_cnt=3
 
+# SSL mid cert cache
+# default 0
+mc_cache_enable=1
+# default eth0
+mc_cache_eth=eth0
+# default NULL
+mc_cache_broker_list=
+# default MID-CERT-CACHE-LOG
+mc_cache_topic=MID-CERT-CACHE-LOG
+
 [key_keeper]
 #Mode: debug - generate cert with ca_path, normal - generate cert with cert store
 #0 on cache 1 off cache