Problem with connecting with named host parameter

From: Mike Martin <redtux1(at)gmail(dot)com>
To: pgsql-general(at)lists(dot)postgresql(dot)org
Subject: Problem with connecting with named host parameter
Date: 2021-08-27 13:29:47
Message-ID: CAOwYNKZ=-DnT9w9Vk4cc6a1FTrvszhN1gGT_RqmKArerOfT4Mg@mail.gmail.com
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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

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

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

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