rpcbind_rpcbind启动失败_rpcbind服务详解(3)

mount.nfs: access denied by server while mounting 192.168.3.12:/home/lzgonline/rootfs

百度、谷歌了很久，大部分都说是权限设置有问题，其实文件夹权限都设为777了，权限上都没问题，hosts.deny和hosts.allow都保留默认设置，防火墙也关了，该设置的都设置了，但还是被拒绝，很是郁闷，就在一筹莫展的时候，通过查看一些linux技术论坛后逐渐找到了问题所在。

首先使用命令查看出错日志文件

[root@lzgonline init.d]# cat /var/log/messages | grep mount

Jun 29 00:49:04 lzgonline mountd[1644]: refused mount request from 192.168.3.12 for /home/lzgonline/rootfs (/home/lzgonline/rootfs): illegal port 1689

Jun 29 00:51:02 lzgonline mountd[1644]: refused mount request from 192.168.3.12 for /home/lzgonline/rootfs (/home/lzgonline/rootfs): illegal port 1710

Jun 29 01:02:17 lzgonline mountd[1644]: refused mount request from 192.168.3.12 for /home/lzgonline/rootfs (/home/lzgonline/rootfs): illegal port 1916

Jun 29 01:09:51 lzgonline mountd[1644]: refused mount request from 192.168.3.12 for /home/lzgonline/rootfs (/home/lzgonline/rootfs): illegal port 2157

Jun 29 01:17:02 lzgonline mountd[1644]: refused mount request from 192.168.3.12 for /home/lzgonline/rootfs (/home/lzgonline/rootfs): illegal port 2318

从出错日志可以看出，mount.nfs: access denied by server while mounting 192.168.3.12:/home/lzgonline/rootfs 被拒绝的原因是因为使用了非法端口，功夫总没白费，终于在一个linux技术论坛上找到了答案：

I googled and found that since the port is over 1024 I needed to add the "insecure" option to the relevant line in /etc/exports on the server. Once I did that (and ran exportfs -r), the mount -a on the client worked.

//如果端口号大于1024，则需要将 insecure 选项加入到配置文件（/etc/exports）相关选项中mount客户端才能正常工作:

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