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local database authentication method
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host database TCP/IP address TCP/IP mask authentication method
TCP/IP address Âß¼­ÉÏÓëÉùÃ÷µÄ TCP/IP mask ºÍÕýÔÚÁª½ÓµÄ¿Í»§¶ËµÄ TCP/IP µØÖ··Ö±ðÏà¼Ó¡£Èç¹ûÁ½¸ö½á¹ûÏàµÈÔò¸Ã¼Ç¼ÓÃÓÚÕâ´ÎÁª½Ó¡£Èç¹ûÒ»¸öÁª½ÓÆ¥Åä¶àÓÚÒ»Ìõ¼Ç¼£¬ÄÇôʹÓÃÎļþÀïµÚÒ»ÌõÆ¥ÅäµÄ¼Ç¼¡£ TCP/IP address ºÍ TCP/IP mask ¶¼ÊÇÓõã·ÖÊ®½øÖÆ·ûºÅ±íʾµÄ¡£

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trust
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reject
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crypt
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password
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krb4
Kerberos V4 ÓÃÓÚÈÏÖ¤Óû§¡£
krb5
Kerberos V5 ÓÃÓÚÈÏÖ¤Óû§¡£
ident
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# Trust any connection via Unix domain sockets.
local   trust
# Trust any connection via TCP/IP from this machine.
host    all     127.0.0.1       255.255.255.255         trust
# We don't like this machine.
host    all     192.168.0.10    255.255.255.0           reject
# This machine can't encrypt so we ask for passwords in clear.
host    all     192.168.0.3     255.255.255.0           password
# The rest of this group of machines should provide encrypted passwords.
host    all     192.168.0.0     255.255.255.0           crypt
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