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LANCOM 821 ADSL/ISDN – LANCOM 1621 ADSL/ISDN – LANCOM 1711 VPN
̈ Chapter 1: Introduction
20
EN
Firewall filters for a selective locking of IP addresses, protocols and ports
MAC address filter control e.g. the access of LAN workstations to IP routing
functions
Configuration protection to block “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
ISDN leased line option
LANCOM VPN Option with 25 active tunnels for protection of network cou-
plings
LANCOM 821
ADSL
LANCOM 1621
ADSL
LANCOM 1711
DSL