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If enabled, PCs on the LAN can use VPN software to connect
Allow VPN pass-
to remote clients via the Internet connection. The protocols
through
supported are:
If enabled, fragmented IP packets are discarded, forcing re-
Drop fragmented
transmission of these packets. In some situations, this could
IP packets
prevent successful communication.
Normally, this setting should be disabled.
A TCP flood is excessively large number of TCP connection
Block TCP Flood
requests. This is usually a DoS (Denial of Service) attack.
This setting should normally be enabled.
A UDP flood is excessively large number of UDP packets. This
Block UDP Flood
is usually a DoS (Denial of Service) attack.
This setting should normally be enabled.
Abnormal packets are often used by hackers and in DoS
Block non-
attacks, but may also be generated by incorrectly configured
standard pack-
network devices. (PCs will normally not generate non-standard
ets
packets.)
This setting should normally be enabled.
IPSec
IPSec protocol is used to establish a secure connection,
and is widely used by VPN (Virtual Private Networking)
programs.
PPTP
PPTP (Point to Point Tunneling Protocol) is widely used by
VPN (Virtual Private Networking) programs.
L2TP
L2TP is a protocol developed by Cisco for VPNs (Virtual
Private Networks).
61
Security Configuration
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