Denial Of Service Commands - Dell Networking 7048 Reference Manual

Denial of Service Commands

The following list shows the DoS attack detection PowerConnect supports.
Some platforms do not support detection for all of the DoS attack types in
the list.
• SIP=DIP:
– Source IP address = Destination IP address.
• First Fragment:
– TCP Header size smaller then configured value.
• TCP Fragment:
– IP Fragment Offset = 1.
• TCP Flag:
– TCP Flag SYN set and Source Port < 1024 or TCP Control Flags = 0
and
– TCP Sequence Number = 0 or TCP Flags FIN, URG, and PSH set
and
– TCP Sequence Number = 0 or TCP Flags SYN and FIN set.
• L4 Port:
– Source TCP/UDP Port = Destination TCP/UDP Port.
• ICMP:
– Limiting the size of ICMP Ping packets.
• SMAC=DMAC:
– Source MAC address = Destination MAC address.
• TCP Port:
– Source TCP Port = Destination TCP Port.
• UDP Port:
– Source UDP Port = Destination UDP Port.
• TCP Flag & Sequence:
Denial of Service Commands
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