The following bug has been logged online:

Bug reference: 1413
Logged by: jerome celle
Email address: j.celle (AT) laposte (DOT) net
PostgreSQL version: 8.0.0
Operating system: Linux Redhat 9
Description: pg_hba.conf : 192.168.2.0/32 not honoured
Details:

With following entry in pg_hba.conf :
host all all 192.168.2.0/32 trust

I get the following error when attempting to open a connection from
192.168.2.27 host :

Unable to connect to PostgreSQL server: FATAL: no pg_hba.conf entry for host
"192.168.2.27", user "adeolis", database "adeolis"

NOW, if i change the entry to :
host all all 192.168.2.27/0 trust

I can connect.

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TIP 8: explain analyze is your friend

On Wed, 19 Jan 2005, jerome celle wrote:

Perhaps you want 192.168.2.0/24.

Kris Jurka

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TIP 4: Don't 'kill -9' the postmaster