Chapter 2: Configuring System Information | 43
FS728TP Smart Switch Software Administration Manual
• Denial of Service L4 Port. Enable or disable this option by selecting the appropriate
radio button. Enabling L4 Port DoS prevention causes the switch to drop packets that
have TCP/UDP source port equal to TCP/UDP destination port. The factory default is
Disable.
• Denial of Service ICMP. Enable or disable this option by selecting the appropriate
radio button. Enabling ICMP DoS prevention causes the switch to drop ICMP packets
that have a type set to ECHO_REQ (ping) and a size greater than the configured
ICMP packet size. The factory default is Disable.
• Denial of Service Max ICMP Size. Specify the Max ICMP packet size allowed. If
ICMP DoS prevention is enabled, the switch will drop ICMP ping packets that have a
size greater then this configured Max ICMP packet size. The factory default is 512
bytes.
2. If you change any of the DoS settings, click Apply to apply the changes to the switch.
3. Click Cancel to cancel the configuration on the screen and reset the data on the screen to
the latest value of the switch.
DNS
You can use these pages to configure information about DNS servers the network uses and
how the switch operates as a DNS client.
DNS Configuration
Use this page to configure global DNS settings and DNS server information.
To access this page, click System Management DNS DNS Configuration.
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