PPTP
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... clients connect
to in order to get access to the network. In PPTP terminology,
this is referred to as the PPTP Access Concentrator (PAC ...
... network. In PPTP terminology,
this is referred to as the PPTP Access Concentrator (PAC), and in
L2TP ...
... network service enabled by tunneling
protocols such as PPTP, L2F, L2TP, and IPsec tunnel mode ...