tcp syn-cookie enable

Syntax

tcp syn-cookie enable

undo tcp syn-cookie enable

View

System view

Default level

2: System level

Parameters

None

Description

Use tcp syn-cookie enable to enable the SYN Cookie feature to protect the device against SYN Flood attacks.

Use undo tcp syn-cookie enable to disable the SYN Cookie feature.

By default, the SYN Cookie feature is enabled.

Examples

# Enable the SYN Cookie feature.

<Sysname> system-view
[Sysname] tcp syn-cookie enable