LANCOM 821+ – LANCOM 1711+ VPN – LANCOM 1721 VPN
Chapter 1: Introduction
13
EN
IP masquerading (NAT, PAT) to conceal individual LAN workstations
behind a single public IP address.
✔
✔
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Stateful Inspection Firewall
✔
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✔
Firewall filter for blocking individual IP addresses, protocols and ports
✔
✔
✔
MAC address filter regulates, for example, LAN-workstation access to the
IP routing function
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Protection of the configuration from brute-force attacks.
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Configuration
Configuration with LANconfig or with web browser, additionally terminal
mode for Telnet or other terminal programs, SNMP interface and TFTP
server function.
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Remote configuration via ISDN (with ISDN-PPP connections e.g. via Win-
dows network and dial-up connections)
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Serial configuration interface
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Callback function with PPP authentication mechanisms for restriction to
fixed ISDN telephone numbers
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FirmSafe with firmware versions for absolutely secure software upgrades
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Optional software extensions
LANCOM VPN Option with 25 active tunnels for protection of network
couplings
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Optional hardware extensions
LANCOM Modem Adapter Kit for connection of analog or GSM modems
to the serial interface
✔
✔
✔
LA
N
C
OM
821
+
LA
N
C
OM
1711
+ VP
N
LA
N
C
OM
1721
VP
N
