在Linux操作系统上配置DNS服务器的日志

logging {
        channel default_syslog { syslog local2; severity error; };
        channel audit_log {
                file "named.log" versions 3 size 20m;
                severity info;
                print-time yes;
                print-category  yes;
        };
        category default { audit_log; };
        category general { audit_log; };
        category security { audit_log; default_syslog; };
        category config { default_syslog; };
        category resolver { audit_log; };
        category xfer-in { audit_log; };
        category xfer-out { audit_log; };
        category notify { audit_log; };
        category client { audit_log; };
        category network { audit_log; };
        category update { audit_log; };
        category queries { audit_log; };
        category lame-servers { audit_log; };
};