Re: pg_hba.conf issue

What does ::1/128 signify?

Regards,
Ritu

Tom Lane
<tgl(at)sss(dot)pgh(dot)pa(dot)us>
Sent by: To
pgsql-admin-owner(at)postg Ritu Khetan
resql.org <RKhetan(at)crisil(dot)com>
cc
pgsql-admin(at)postgresql(dot)org
02/07/2007 09:08 PM Subject
Re: [ADMIN] pg_hba.conf issue

Ritu Khetan <RKhetan(at)crisil(dot)com> writes:
> # IPv4 local connections:
> host all all 127.0.0.1/32 trust
> # IPv6 local connections:
> #host all all ::1/128 trust
> #host all all 172.21.42.121/24 trust
> host all all 172.21.51.56/24 trust

> While this works at most of the locations, we have a peculiar error
coming
> up at 2-3 locations. The error reads:

> no pg_hba.conf entry for host "::1" , user "crisil" , database "crisil" ,
> SSL off "

No surprise: you have the IPv6 line commented out. Dunno why these
particular boxes are preferring IPv6 to IPv4, maybe something different
about the local DNS environment? Anyway, there is no point in refusing
to serve ::1/128 if you're accepting 127.0.0.1.

regards, tom lane

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