nfs服务端：

编辑/etc/nfsmount.conf,在末尾添加：

RQUOTAD_PORT=30001
LOCKD_TCPPORT=30002
LOCKD_UDPPORT=30002
MOUNTD_PORT=30003
STATD_PORT=30004

nfs客户端防火墙：

iptables -A INPUT -s 10.46.121.240 -p tcp -m multiport --dport 111,2049,30001:30004 -j ACCEPT
iptables -A INPUT -s 10.46.121.240 -p udp -m multiport --dport 111,2049,30001:30004 -j ACCEPT

NFS指定端口