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问题:pptp 拨号后,客户端能正常访问外网和服务端内网,服务端也能ping通客户端,但服务端的内网其他主机不能ping通客户端,抱歉分不多~
情况如下:
Linux主机安装CentOS6.5,里面有1张网卡,配置如下:
eth1:182.12.43.23(公网IP) 对应内网IP:192.168.55.23
PPTP IP:192.168.100.1
客户端IP段:192.168.100.100-200
服务端内网IP:192.168.55.88
客户端pptp获取到的IP:192.168.100.101
故障就是192.168.55.88不能ping通192.168.100.101,但192.168.100.101能ping通其他所有主机,
服务端的iptables表:
Table: nat
Chain PREROUTING (policy ACCEPT)
num target prot opt source destination
Chain POSTROUTING (policy ACCEPT)
num target prot opt source destination
1 MASQUERADE all -- 0.0.0.0/0 0.0.0.0/0
Chain OUTPUT (policy ACCEPT)
num target prot opt source destination
Table: filter
Chain INPUT (policy ACCEPT)
num target prot opt source destination
Chain FORWARD (policy ACCEPT)
num target prot opt source destination
1 TCPMSS tcp -- 0.0.0.0/0 0.0.0.0/0 tcp flags:0x17/0x02 TCPMSS set 1356
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