User Manual
Restricting Communication by Using Firewalls
3S1Y-075
Without pr
oper security, unauthorized third parties can access computers and other communication devices that are
connected to a network. To prevent this unauthorized access, specify the settings for packet lter, a feature that
restricts communication to devices with specied IP addresses or MAC addresses.
Specifying IP Addresses for Firewall Settings(P. 380)
Specifying MAC Addresses for Firewall Settings(P. 383)
Managing the Machine
379