diff --git a/doc/src/sgml/libpq.sgml b/doc/src/sgml/libpq.sgml index 79047b37611..9e21e3d6fd3 100644 --- a/doc/src/sgml/libpq.sgml +++ b/doc/src/sgml/libpq.sgml @@ -7252,10 +7252,12 @@ ldap://ldap.acme.com/cn=dbserver,cn=hosts?pgconnectinfo?base?(objectclass=*) - In verify-full mode, the cn (Common Name) attribute - of the certificate is matched against the host name. If the cn - attribute starts with an asterisk (*), it will be treated as - a wildcard, and will match all characters except a dot + In verify-full mode, the host name is matched against the + certificate's Subject Alternative Name attribute(s), or against the + Common Name attribute if no Subject Alternative Name of type dNSName is + present. If the certificate's name attribute starts with an asterisk + (*), the asterisk will be treated as + a wildcard, which will match all characters except a dot (.). This means the certificate will not match subdomains. If the connection is made using an IP address instead of a host name, the IP address will be matched (without doing any DNS lookups).