Operation Manual

ENGLISH
- 28 -
- Sync flooding
- Smurf Attack (ICMP Echo with x.x.x.0 or x.x.x.255)
- Snork Attack
- UDP port loop-back
- TCP NULL scan
Block WAN Request
Check “Enable” if you want to exclude outside PING from reaching on this router.
3.4.5 VPN
VPN (Virtual Private Network) is a secured and Internet protocol to allow users to access the company internal network
resources outside the company network. If you want to make this function take effect, check the “Enable” button. Hence, the
following fields will be activated.