Re: Delays between "connection received" and "connection authenticated" because of localhost entries in hba

> 1) host=xx.xx.xx.100 = localhost?

No, it is not

> 2) In postgresql.conf what is listen_addresses set to?

*

> 3) What are the settings in /etc/hosts?

Standard Ubuntu settings:

127.0.0.1       localhost
127.0.1.1       abc      cde

# The following lines are desirable for IPv6 capable hosts
::1     localhost ip6-localhost ip6-loopback
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters

Regards
Daniel