做海报的简易网站,wordpress 纯静态首页,织梦网站 防黑,宁德市高中阶段招生信息平台公司内部DNS配置好后#xff0c;测试解析正常#xff0c;只是几乎每秒都有无法解析的日志产生。但分析日志时发现#xff0c;每天的日志都有2G左右。日志中几乎全是类似network unreachable resolving www.baidu.com/A/IN:2001:5023:c27::2:30#53network unreachable resolv…公司内部DNS配置好后测试解析正常只是几乎每秒都有无法解析的日志产生。但分析日志时发现每天的日志都有2G左右。日志中几乎全是类似network unreachable resolving www.baidu.com/A/IN:2001:5023:c27::2:30#53network unreachable resolving trafficconverter.biz/A/IN:192.203.230.10#53之类的解析失败信息。 查资料得知需要把ipv6的解析关闭/etc/sysconfig/named 中设置 OPTIONS-4网卡也可以关闭ipv6/etc/sysconfig/network 中 设置 NETWORKING_IPV6no按照如上操作重启named日志信息中看不到ipv6的解析了但是每秒仍有ipv4的无法解析的日志产生。继续查资料得知应该与默认开启了recursion有关。于是在named.conf中显示关闭recursionrecursion no;重启named无法解析的日志信息消失了。Id guess youre allowing recursion, and people are using you as an open recursive name server. If that is not by design, I would recommend you disable recursion, or at least restrict it to your LAN.(参见: http://ubuntuforums.org/showthread.php?t1717639) 转载于:https://www.cnblogs.com/goooogs/p/3685123.html
