> Use netstat to look what IP postgres actually binds to.
Nothing unusual:
~ netstat -an | grep 5432tcp4 0 0 *.5432 *.* LISTENtcp6 0 0 *.5432 *.* LISTEN9767b1c9fd5d8ab1 stream 0 0 9767b1ca01d63a210 0 0 /tmp/.s.PGSQL.5432