Обсуждение: Problem with connecting with named host parameter
Hi
I am getting the following error when I connect with hostname on localhost
psql -h capture -U <dbuser> -p 5432 <dbname>
psql: error: FATAL: no pg_hba.conf entry for host "fe80::7285:c2ff:feb0:cd4%eth0", user "usevideo", database "usevideos", SSL off
psql: error: FATAL: no pg_hba.conf entry for host "fe80::7285:c2ff:feb0:cd4%eth0", user "usevideo", database "usevideos", SSL off
The hba.conf is
local all all password
# IPv4 local connections:
host all all 127.0.0.1/24 password
host all all 192.0.0.0/0 password
# IPv6 local connections:
host all all ::1/128 trust
# IPv4 local connections:
host all all 127.0.0.1/24 password
host all all 192.0.0.0/0 password
# IPv6 local connections:
host all all ::1/128 trust
If I change -h to ip address then it works, just not with hostname.
Connecting from another host also works.
The other thing I cant understand if the
"fe80::7285:c2ff:feb0:cd4%eth0"
This looks like an ipv6 host or block id which I caant understand.
This is with pg 11 and 12 on fedora 34
Mike Martin <redtux1@gmail.com> writes:
> I am getting the following error when I connect with hostname on localhost
> psql -h capture -U <dbuser> -p 5432 <dbname>
> psql: error: FATAL: no pg_hba.conf entry for host
> "fe80::7285:c2ff:feb0:cd4%eth0", user "usevideo", database "usevideos", SSL
> off
Evidently, your DNS setup is resolving the machine's name as a IPv6
address, whereupon PG quite legitimately doesn't find a match in
its pg_hba table. (I suppose you are using listen_addresses = "*",
else the server wouldn't even be listening on this address.)
> This is with pg 11 and 12 on fedora 34
Looking at the "hosts" entry in /etc/nsswitch.conf might help figure out
exactly what's going on, but I'll bet a nickel that this is some
unhelpful systemd behavior.
regards, tom lane
On Fri, 27 Aug 2021 at 15:00, Tom Lane <tgl@sss.pgh.pa.us> wrote:
Mike Martin <redtux1@gmail.com> writes:
> I am getting the following error when I connect with hostname on localhost
> psql -h capture -U <dbuser> -p 5432 <dbname>
> psql: error: FATAL: no pg_hba.conf entry for host
> "fe80::7285:c2ff:feb0:cd4%eth0", user "usevideo", database "usevideos", SSL
> off
Evidently, your DNS setup is resolving the machine's name as a IPv6
address, whereupon PG quite legitimately doesn't find a match in
its pg_hba table. (I suppose you are using listen_addresses = "*",
else the server wouldn't even be listening on this address.)
> This is with pg 11 and 12 on fedora 34
Looking at the "hosts" entry in /etc/nsswitch.conf might help figure out
exactly what's going on, but I'll bet a nickel that this is some
unhelpful systemd behavior.
regards, tom lane
Very possibly.
I seem to have resolved the issue with just the following active lines in pg_hba.conf
host all all samehost password
host all all samenet password
host all all samenet password