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What is the meaning of these 2 lines in my pg_hba.conf? I am guessing the first is to allow local connections, but what about the 2nd?

host    all             all             127.0.0.1/32            trust
host    all             all             ::1/128                 trust
Henley Wing
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1 Answers1

4

Both trust local connections.

127.0.0.1/32 is the typical IPv4 localhost address (although the entire 127.0.0.0/8 is reserved for loopback).

::1/128 is the IPv6 address for loopback; cf section 2.4 of RFC4291.

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