pptp vpn 有些网站无法访问 problem mtu

在/etc/sysconfig/iptables打开端口1723,gre协议和设置MTU为1356

#在-A RH-Firewall-1-INPUT -j REJECT --reject-with icmp-host-prohibited前添加
-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 1723 -j ACCEPT
-A RH-Firewall-1-INPUT -p gre -j ACCEPT

 -A RH-Firewall-1-INPUT -i ppp+ -j ACCEPT
-I FORWARD -p tcp --syn -i ppp+ -j TCPMSS --set-mss 1356
Last modified onSunday, 14 October 2012 04:07

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