ping destination host unreached

[caizixian]

我在服务器上搭好openvpn后在/etc/rc.local加上iptables语句，重启后ping服务器 destination host unreached。
原有的pptp vpn与web服务均无法使用
-t nat -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -i tun+ -j ACCEPT
-A INPUT -p udp --dport 1194 -j ACCEPT
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -i eth0 -o tun+ -j ACCEPT
-A FORWARD -i tun+ -o eth0 -j ACCEPT
-A FORWARD -j REJECT --reject-with icmp-host-prohibited