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