Lancom Systems LCOS 3.50 - page 57

 Chapter 6: Security LANCOM Reference Manual LCOS 3.50
57
Security
rately. The configuration access can generally be permitted or forbidden, a
pure read access or - if your model is equipped with VPN - also can be per-
mitted only over VPN.
If you want to remove the network access to the router over the WAN
completely, set the configuration access from distant nets for all
methods to 'denied'.
Restriction of the network configuration access to certain IP
addresses
With a special filter list the access to the internal functions of the devices can
be limited to certain IP addresses: