D-Link DXS-3400 SERIES - Ssh

DXS-3400 Series Lite Layer 3 Stackable 10GbE Managed Switch Web UI Reference Guide
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ping packet is illegal according to networking protocol, but a packet of such a size can be sent if it is fragmented;
when the target computer reassembles the packet, a buffer overflow can occur, which often causes a system
crash.
• TCP Tiny Fragment Attack: The Tiny TCP Fragment attacker uses IP fragmentation to create extremely small
fragments and force the TCP header information into a separate packet fragment to pass through the check
function of the router and issue an attack.
• All Types: All of above types.
To view the following window, click Security > DoS Attack Prevention Settings, as shown below:
Figure 9-87 DoS Attack Prevention Settings Window
The fields that can be configured in SNMP Server Enable Traps DoS Settings are described below:
Parameter Description
Trap State
Select to enable or disable the DoS attack prevention trap state here.
Click the Apply button to accept the changes made.
The fields that can be configured in DoS Attack Prevention Settings are described below:
Parameter Description
DoS Type Selection
Tick the DoS type option that will be prevented here.
State
Select to enable or disable the DoS attack prevention feature’s global state here.
Action
Select the action that will be taken when the DoS attack was detected here. The
only option to select here is Drop.
Click the Apply button to accept the changes made.
SSH
Secure Shell (SSH) is a program allowing secure remote login and secure network services over an insecure network.
It allows a secure login to remote host computers, a safe method of executing commands on a remote end node, and