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DEVICE ADMINISTRATION
Field
Enabled
Port
Via LAN/Ethernet
Via WAN/Cellular
ICMP
Internet Control Message Protocol (IMCP) is used by devices to send error messages such as that a requested
service is not available or a host or device could not be reached. ICMP can also relay query messages.
Field
Enabled
Respond to LAN/Via Ethernet
Respond to WAN/Via Cellular
Configuring IP Defense
You can configure your router to slow malicious actions against it.
Denial of Service (DOS) Prevention
To mitigate the effects of a denial of service attack:
1.
Go to Administration > Access Configuration.
2.
Check Enabled to enable the DoS prevention.
3.
In the Per Minute field, type the average number of pings per minute. This is the number of new
connections per minute until burst points are consumed. For example, if 60 new connections are received
in a minute, decrement one burst point. If no more burst points occur, drop the packet.
4.
In the Burst field, type the allowed burst for traffic spikes. A burst occurs when the Per Minute limit is
reached. On a period where the Per Minute limit is not reached, one burst point is regained, up to the
maximum.
5.
Select Submit to save changes.
6.
To save your changes, click Save & Restart.
Ping limit
This engages a set of rules at the firewall that aims to prevent Ping Flood attacks by limiting the number of ICMP
requests to the router. This does not apply if ICMP is disabled. To mitigate the effects of a ping DoS on your router:
1.
Check Enabled to enable the Ping Limit feature.
66
Description
Enables SSH redirect which automatically redirects users
trying to access the device via SSH.
The port on which the device listens for SSH requests.
If checked, the device listens and responds to SSH
requests from the LAN.
If checked, the device listens and respond to SSH
requests from the WAN.
Description
Enables ICMP responses.
If checked, the device will respond to ICMP traffic from
the LAN, such as ping requests.
If checked, the device will respond to ICMP traffic from
the WAN, such as ping requests. This increases
susceptibility to malicious activity.
MultiConnect
®
rCell 100 MTR-LTE User Guide
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