postgres配置只能让某一个ip的主机登陆

https://stackoverflow.com/questions/11753296/configure-postgresql-to-work-for-only-localhost-or-specified-ip-port

I want to configure PostgreSQL to accept connections only from a specified IP. It should not accept requests from any other IP.

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The following pg_hba.conf allows local and specified Ip have privilege login， but reject others。

# TYPE  DATABASE        USER ADDRESS METHOD local all all trust host testdb testuser 192.168.1.1/32 md5 host all all 0.0.0.0/0 reject