Lancom Systems LCOS 3.50 - Manual (Page 136)

LANCOM Reference Manual LCOS 3.50 ̈ Chapter 8: Firewall
136
Fi
rew
a
ll
Some LANCOM models support this structure by a separate LAN interface only
used for the DMZ. Looking at the path of data through the LANCOM, then the
function of the Firewall for shielding the LAN against the DMZ becomes visi-
ble.
Internet
DMZ Local network
FTP server
Web server
Firewall / IDS / DoS / QoS
IP router
LAN b
rid
ge w
ith
“i
sola
te
d mode
”
Vir
tua
l LAN
s (VLAN)
N:N
m
ap
pin
g
ISDN
ADSL
DSL
LAN / Switch
WLAN-1
DMZ
DSLoL
Configuration &
management:
WEBconfig, Telnet,
VPN / PPTP
DH
CP c
lie
nt
/ PPP
IP module: NetBIOS, DNS,
DHCP server, RADIUS, RIP,
NTP, SNMP, SYSLOG, SMTP
IPX router
LAN interfaces
WAN interfaces
IP
masquer
adi
ng
VPN services
LANCAPI
connection via
LAN/Switch
WLAN-2
WEP
WEP Filter
Filt
er
Filt
er
IPX over PPTP/
VPN