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5.19.3.3 Anti-Dos Attack
You can enable SYN Flood Attack Defense and ICMP Flood Attack Defense to defend the device
against Dos attack.
Figure 5-281 Anti-Dos attack
5.19.3.4 Sync Time-Allowlist
The synchronization is only allowed with hosts in the trusted list.
Procedure
Step 1 Select Main Menu > SECURITY > Attack Defense > Sync Time-Allowlist.
Step 2 Select Enable to enable the function.
Step 3 Congure the parameters.
Table 5-78 Time-allowlist parameters
Parameter Description
Add You can add trusted hosts for time synchronization.
Type Select IP address or IP segment for hosts to be added.
IP Address
Input the IP address of a trusted host.
When Type is IP Address, it can be congured
User's Manual
328
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