6.3Security
6.3.1 Firewall
Block WAN Ping: This setting blocks remote users from being able to ping your internet IP address.
SPI Mode: Select to enable or disable Stateful Packet Inspection. This setting provides an additional level of security.
However, it may slow down some applications such as VOIP Phones and other services that require constant streams of data. You can disable this feature to eliminate lag problems with VOIP Phones.
It can also prevent VPN clients from working properly. If you are having trouble connecting to your VPN, you may want to disable this feature.
Click Apply and OK to save the settings.
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