How to configure PostgreSQL to accept all incoming connections

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情话喂你
情话喂你 2020-11-28 01:45

I\'ve got a PostgreSQL data base that I\'d like to configure to accept all incoming connections regardless of the source IP address. How can this be configured in the pg_hba

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  • 2020-11-28 02:05

    Add this line to pg_hba.conf of postgres folder

    host    all    all    all    trust
    

    "trust" allows all users to connect without any password.

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  • 2020-11-28 02:06

    Configuration all files with postgres 12 on centos:

    step 1: search and edit file

    sudo vi /var/lib/pgsql/12/data/pg_hba.conf

    press "i" and at line IPv4 change

    host    all             all             0.0.0.0/0            md5
    

    step 2: search and edit file postgresql.conf

    sudo vi /var/lib/pgsql/12/data/postgresql.conf

    add last line: listen_addresses = '*' :wq! (save file) - step 3: restart

    systemctl restart postgresql-12.service
    
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  • 2020-11-28 02:08

    Just use 0.0.0.0/0.

    host    all             all             0.0.0.0/0            md5
    

    Make sure the listen_addresses in postgresql.conf (or ALTER SYSTEM SET) allows incoming connections on all available IP interfaces.

    listen_addresses = '*'
    

    After the changes you have to reload the configuration. One way to do this is execute this SELECT as a superuser.

    SELECT pg_reload_conf();
    
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  • 2020-11-28 02:23

    0.0.0.0/0 for all IPv4 addresses

    ::0/0 for all IPv6 addresses

    all to match any IP address

    samehost to match any of the server's own IP addresses

    samenet to match any address in any subnet that the server is directly connected to.

    e.g.

    host    all             all             0.0.0.0/0            md5
    
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  • 2020-11-28 02:26

    Addition to above great answers, if you want some range of IPs to be authorized, you could edit /var/lib/pgsql/{VERSION}/data file and put something like

    host all all 172.0.0.0/8 trust

    It will accept incoming connections from any host of the above range. Source: http://www.linuxtopia.org/online_books/database_guides/Practical_PostgreSQL_database/c15679_002.htm

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