F-DPU100 Distributed Processing Unit User Manual
Xiamen Four-Faith Communication Technology Co.,Ltd.
Page 49 of 86
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Local Netmask
:
Netmask of local network
Keepalive
:
Enable or disable GRE Keepalive function
Retry times
:
GRE keepalive detect fail retries
Interval
:
The time interval of GRE keepalive packet sent
Fail Action
:
The action would be exec after keeping alive failed
Click on “
View GRE tunnels
” keys can view the information of GRE
3.3.5 Security
3.3.5.1 Firewall
You can enable or disable the firewall, filter specific Internet data types,and prevent
anonymous Internet requests,ultimately enhance network security.
Firewall Protection
Firewall enhance network security and use SPI to check the packets into the network.To use
firewall protection, choose to enable otherwise disabled. Only enable the SPI firewall, you can use
other firewall functions: filtering proxy, block WAN requests, etc.
Additional Filters
Filter Proxy:
Wan proxy server may reduce the security of the gateway, Filtering Proxy will
refuse any access to any wan proxy server. Click the check box to enable the function otherwise
disabled.
Filter Cookies:
Cookies are the website of data the data stored on your computer.When you