3Com SUPERSTACK 3CR16110-95 Quick Reference Manual page 3

Firewall Zones
N
LAN
W
STOP
Internet Access Filtered (optional)
Authorised External Access using VPN (Encrypted)
DMZ
DoS Attacks Blocked
STOP
Web Access Allowed
Unauthorised External Access Blocked
STOP STOP
WAN
Key:
SuperStack 3
F irewall
100/1000
Mbps
G igabit Switch
Web ache c
10/100 Mbps
S witch with
Gigabit port
S erver
L oad
B alancer
Router
W eb and
N etwork
W N
Servers
Client PC