diff --git a/src/backend/libpq/pg_hba.conf.sample b/src/backend/libpq/pg_hba.conf.sample
new file mode 100644
index 0a90b68..91adfcb
*** a/src/backend/libpq/pg_hba.conf.sample
--- b/src/backend/libpq/pg_hba.conf.sample
***************
*** 80,82 ****
--- 80,85 ----
  host    all             all             127.0.0.1/32            @authmethod@
  # IPv6 local connections:
  host    all             all             ::1/128                 @authmethod@
+ # Allow replication connections to localhost, by a user with the replication privilege: 
+ # host    replication     postgres        127.0.0.1/32            @authmethod@
+ # host    replication     postgres        ::1/128                 @authmethod@