On 24th of October, Peter Eisentraut committed addition to his previous patch, which adds: Support suffix matching of host names in pg_hba.conf   A name starting with a dot can be used to match a suffix of the actual host name (e.g., .example.com matches ...

On 15th of October Peter Eisentraut committed patch (his own) which adds: Support host names in pg_hba.conf   Peter Eisentraut, reviewed by KaiGai Kohei and Tom Lane