User's Manual

32
Firewall
Select Type, and then enable it.
Configure the parameters.
Click Confirm.
Table 6-6 Firewall type description
Type
Description
Network Access
Select either
Allowlist
or
Blocklist
, and then add an IP address or
segment which is allowed or denied to access the VTO.
PING Prohibited
The VTO will not response to ping to avoid ping attacks.
Anti-semijoin
Protects the VTO performance by blocking excessive SYN packets.
Mode
Allowlist: Devices that have been granted an access.
Blocklist: Devices that have been forbidden an access.