diff --git a/src/backend/libpq/pg_hba.conf.sample b/src/backend/libpq/pg_hba.conf.sample
index cfcd246..ea83d4d 100644
*** a/src/backend/libpq/pg_hba.conf.sample
--- b/src/backend/libpq/pg_hba.conf.sample
***************
*** 75,77 ****
--- 75,79 ----
  host    all         all         127.0.0.1/32          @authmethod@
  # IPv6 local connections:
  host    all         all         ::1/128               @authmethod@
+ # Host's IPv4 and IPv6 connections:
+ host    all         all         samehost              md5
