@halczy 我连上死也上不了网，能 ping 通 vpn 虚拟网卡和外网网卡，我 iptables 是这样的，能帮我看下么，问题在哪里
# Generated by iptables-save v1.4.21 on Tue Nov 8 23:07:23 2016
*nat
:PREROUTING ACCEPT [0:0]
:INPUT ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
:POSTROUTING ACCEPT [0:0]
-A POSTROUTING -s 10.12.0.0/24 -o enp0s3 -j MASQUERADE
COMMIT
# Completed on Tue Nov 8 23:07:23 2016
# Generated by iptables-save v1.4.21 on Tue Nov 8 23:07:23 2016
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [40:5733]
-A INPUT -p udp -m udp --dport 443 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 443 -j ACCEPT
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
-A INPUT -s 10.12.0.0/24 -j ACCEPT
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -s 10.12.0.0/24 -j ACCEPT
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
COMMIT
# Completed on Tue Nov 8 23:07:23 2016