Billion Electric Company BiGuard 50G - Manual (Page 121)

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connections on per-user basis. This is useful when controlling users who will use the
applications which create a large number of connections (such as P2P software).
No Limit: No restrictions on the amount of sessions allowed to connect to
BiGuard30.
Limit Maximum sessions per IP to: Restricts an upper limit of sessions
allowed to connect to BiGuard30, additional sessions beyond the maximum limit will
not be allowed to connect.
Limit Maximum sessions per IP to (with reject and drop options): Just
like the previous option, this option expands on what to do with additional sessions
above the maximum limit. You can either reject the additional sessions for a period
of time or just drop all packets from those sessions for a period of time.
4.4.6 VPN
VPN is a way to establish secured communication tunnels to an organization’s
network via the Internet.
You can find two items under the VPN section: IPSec and PPTP.