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Chapter 4: Configuration
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When using Virtual Servers your PCs will be exposed to the degree
specified in your Virtual Server settings provided the ports specified are
opened in your firewall packet filter settings.
Firewall and Access Control
Your gateway includes a full SPI (Stateful Packet Inspection) firewall for controlling Internet access from
your LAN, as well as helping to prevent attacks from hackers. In addition to this, when using NAT (Network
Address Translation. Please see the
WAN
configuration section for more details on NAT) the gateway acts
as a “natural” Internet firewall, as all PCs on your LAN will use private IP addresses that cannot be directly
accessed from the Internet.
Firewall
: Prevents access from outside your network. The gateway provides three levels of security
support:
NAT natural firewall
: This masks LAN users’ IP addresses which are invisible to outside users on the
Internet, making it much more difficult for a hacker to target a machine on your network. This natural firewall
is on when NAT function is enabled.
Firewall Security and Policy (General Settings)
: Inbound direction Packet Filter rules to prevent
unauthorized computers or applications accessing your local network from the Internet.
Intrusion Detection
: Enable Intrusion Detection to detect, prevent and log malicious attacks.
Access Control
: Prevents access from PCs on your local network:
Firewall Security and Policy (General Settings)
: Outbound direction Packet Filter rules to prevent
unauthorized computers or applications accessing the Internet.
Summary of Contents for 8860-C1
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Page 28: ...Chapter 4 Configuration 27...
Page 83: ...Chapter 4 Configuration 82 Example Configuring a IPSec Host to LAN VPN Connection...
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