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about firewall set about ipsec over l2tp

charcoal
I runs the ipsec over lstp,it workes well. But the asl server is in another firewall,Which port should I open at this firewall for  asl receiving the imcoming connection through internet.
thks.


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    The port for l2tp is 1701/tcp. Since the ipsec tunnel is established after the l2tp connection, you also have to open protocol esp adn port 500 udp. If you are using NAT-T, port 4500 is also important.
    /bagira
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  • 0
    The port for l2tp is 1701/tcp. Since the ipsec tunnel is established after the l2tp connection, you also have to open protocol esp adn port 500 udp. If you are using NAT-T, port 4500 is also important.
    /bagira
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