Applications
53
designated servers list allows you to quickly setup a firewall
entry without having to figure out TCP port values.
Next, the LAN firewall is set up to restrict access to the LAN. The
firewall option is set to “outbound” to have the LAN firewall filter
traffic from the P850.
7Firewall LAN Filter Direction
Location: Main
Ä Configuration
Ä Applications Set up
Ä Firewall Set up
Ä LAN Firewall Set up
Ä Firewall
Ä Outbound
An entry is made in the firewall table to allow the devices in the branch
office to have unlimited TCP access to devices in the head office.
7Firewall Table Entry
Location: Main
Ä Configuration
Ä Applications Set up
Ä Firewall Set up
Ä LAN Firewall Set up
Ä Edit Firewall Entry
Äfilter ID # 1
Ä Dest IP Address
— 195.100.1.0
Ä Destination Mask
— 255.255.255.0
Ä Source IP Address
— 195.100.2.0
Ä Source Mask
— 255.255.255.0
Ä Protocol Type
— TCP
Ä entry direction
—outbound
Finally, holes are provided in the LAN firewall to allow Internet access
to the FTP and WWW servers