Icmp; Ip Defense - Multitech MultiConnect rCell 100 User Manual

Field
Enabled
Port
Via LAN
Via WAN

ICMP

Internet Control Message Protocol (IMCP) is used by routers, to send error messages such as that a requested
service is not available or a host or router could not be reached. ICMP can also relay query messages.
Field
Enabled
Respond to LAN
Respond to WAN

IP Defense

A set of rules that decreases susceptibility to malicious activity. If these settings are configured too strictly, they
may interfere with non-malicious activity.
DoS Prevention
This area of the Access Configuration window engages a set of rules at the firewall that prevents Denial-of-Service
attacks by limiting the amount of new connection requests to the router.
Field
Enabled
Per Minute
Burst
Ping Limit
This area of the Access Configuration window 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. These rules that mitigate the effects of a ping DoS
on your router, do not apply if ICMP is disabled.
®
MultiConnect rCell 100 MTR-H5 User Guide
CHAPTER 12 DEVICE ADMINISTRATION
Description
Enables SSH redirect which automatically redirects users
trying to access the device via SSH.
The port the router listens for SSH requests on.
If checked, the router listens and responds to SSH
requests from the LAN.
If checked, the router listens and respond to SSH
requests from the WAN.
Description
Enables ICMP responses.
If checked, the router will respond to ICMP traffic from
the LAN, such as ping requests.
If checked, the router will respond to ICMP traffic from
the WAN, such as ping requests. This increases
susceptibility to malicious activity.
Description
Enables DoS prevention.
Allowed 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, drop the packet.
Number of 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.
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