194 Configuring System Information– Both TCP flags SYN and FIN set• Denial of Service L4 Port — Enabling L4 Port DoS prevention causes the switch to drop packets thathave the TCP/UDP source port equal to TCP/UDP destination port.• Denial of Service ICMP — Enabling ICMP DoS prevention causes the switch to drop ICMP packetsthat have a type set to ECHO_REQ (ping) and a size greater than the configured ICMP packet size(ICMP Pkt Size).• Denial of Service Max ICMP Pkt Size — Specify the maximum ICMP packet size to allow. If ICMPDoS prevention is enabled, the switch will drop ICMP ping packets that have a size greater then thisconfigured value.Configuring Denial of Service Settings1. Open the Denial of Service page.2. Specify the desired settings.3. Click Apply Changes.The device is updated with the new settings.Configuring Denial of Service Settings Using CLI CommandsFor information about the CLI commands that perform this function, see the Denial of ServiceCommands chapter in theCLI Reference Guide. The following table summarizes the equivalent CLIcommands you use to configure Denial of Service.Table 6-37. Denial of Service Configuration CommandsCLI Command Descriptiondos-control firstfrag Enables Minimum TCP Header Size Denial of Service protection.dos-control icmp Enables Maximum ICMP Packet Size Denial of Service protections.dos-control l4port Enables L4 Port Denial of Service protection.
