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Security
This screen allows you to set Firewall and other security-related options.
Data - Security Screen
DoS Firewall
Enable DoS
Firewall
Firewall Set-
tings Button
Options
Respond to
ICMP
Allow VPN
Pass through
Figure 54: Security Screen
If enabled, DoS (Denial of Service) attacks will be detected and
blocked. The default is enabled. It is strongly recommended that
this setting be left enabled.
Note:
•
A DoS attack does not attempt to steal data or damage your
PCs, but overloads your Internet connection so you can not
use it - the service is unavailable.
•
This device uses "Stateful Inspection" technology. This
system can detect situations where individual TCP/IP pack-
ets are valid, but collectively they become a DoS attack.
If you wish to adjust the settings used by the DoS firewall, click
this button to open a sub-window.
The ICMP protocol is used by the "ping" and "traceroute" pro-
grams, and by network monitoring and diagnostic programs.
•
If checked, the Wireless Router will respond to ICMP pack-
ets received from the Internet.
•
If not checked, ICMP packets from the Internet will be ig-
nored. Disabling this option provides a slight increase in
security.
The IPSec, PPTP, and L2TP protocols are used to establish a
secure connection, and are widely used by VPN (Virtual Private
Networking) programs.
•
If checked, these VPN connections are allowed.
•
If not checked, these VPN connections are blocked.
Note: IPSec sessions must NOT use AH (Authentication
Header). Packets using AH cannot be routed correctly.
SIGNAMAX LLC •
www.signamax.eu
92
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