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How to use a firewall to restrict PPTP connection

reson
How to use a firewall to restrict PPTP connection?


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    WAN is multi ip

    iptables rule

    iptables-save |grep 1723 
    -A AUTO_INPUT -p tcp -m tcp --sport 1024:65535 --dport 1723 -j CONFIRMED
    -A USR_INPUT -p tcp -m set --match-set k6Vm/9jicuIONysbpduKCg dst -m tcp --sport 1:65535 --dport 1723 -j REJECT --reject-with icmp-port-unreachable

    i can't reject other IP service
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  • 0
    WAN is multi ip

    iptables rule

    iptables-save |grep 1723 
    -A AUTO_INPUT -p tcp -m tcp --sport 1024:65535 --dport 1723 -j CONFIRMED
    -A USR_INPUT -p tcp -m set --match-set k6Vm/9jicuIONysbpduKCg dst -m tcp --sport 1:65535 --dport 1723 -j REJECT --reject-with icmp-port-unreachable

    i can't reject other IP service
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