User Manual/Web Interface MC-LR/MC-LR-4/MC-LRS/MC-LRS-4 – 01/2018 (FW 2.07.3)
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1.6 Network Security
Basic settings for network security.
1.6.1 General Setup
General Setup
IP and Port forwarding
Disabled:
IP and Port forwarding is blocked.
Enabled:
IP and Port forwarding is allowed.
Block outgoing Netbios
Disabled:
Outgoing NetBIOS requests are allowed.
Enabled:
Outgoing NetBIOS requests are blocked (default).
Drop invalid packets
Disabled:
Packets will be transferred.
Enabled:
Invalid packets will be dropped.
Ping (ICMP) external
Disabled:
A ping request from the external IP network to the router is ignored (default).
Enabled:
A ping request from the external IP network to the router is returned.
External SNMP access
Disabled:
SNMP from the WAN interface is blocked.
Enabled:
SNMP from the WAN interface is permitted.
External web-based
Disabled:
External configuration via the web interface is not possible.
management via HTTP
Enabled:
External configuration via the web interface is possible.
NAT (Masquerade)
Disabled:
No IP masquerading performed.
external
Enabled:
IP masquerading is activated. Communication from a private, local networkto the
Internet is allowed (default).
External TCP-MSS
Disabled:
Adjusts the maximum segment size on the WAN side to the MTU value.
clamping
Enabled:
Reduces the maximum segment size on the WAN side (for DSL operation).
Device access via SSH
Disabled:
Local SSH access to the router is not possible (default).
Enabled:
Local SSH access to the router is possible.
External access via SSH
Disabled:
Remote SSH access to the router is not possible (default).
Enabled:
Remote SSH access to the router is possible.