Cisco RV340 Series, Руководство администратора

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C H A P T E R
9
Firewall
This section describes a firewall, which is a method designed to keep a network secure from intruders. The
firewall examines traffic and filters the transmissions that do not meet the specified security criteria. The
firewall decides which packets that are allowed or denied into or out of a network. This section contains the
following topics:
• Basic Settings, page 67
• Access Rules, page 68
• Network Address Translation, page 70
• Static NAT, page 70
• Port Forwarding, page 71
• Port Triggering, page 72
• Session Timeout, page 73
• DMZ Host, page 73
Basic Settings
On the Basic Settings page, you can enable and configure the basic settings. You can also add trusted domains
to this list. To configure the basic settings, follow these steps:
Step 1
Click Firewall > Basic Settings, and enter the following information:
Check Enable to enable the firewall settings; uncheck Enable to disable. Firewall
Check Enable to enable DoS. DoS blocks Ping of Death, SYN Flood Detect Rate
[max/sec], IP Spoofing, Echo Storm, ICMP Flood, UDP Flood, and TCP Flood attacks.
DoS (Denial-of-service)
Check
Enable
to block the ICMP echo requests to WAN.
Block WAN Request
Select HTTP or HTTPS . LAN/VPN Web
Management
RV345/345P Administration Guide
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