Backup Routes; Filtering Of Incoming Packets - Advantech ER75s User Manual

Item
Source
Protocol
Target Port
Action
The following part of the configuration form defines the forwarding policy. If Enabled filter-
ing of forwarded packets item is not checked, packets are automatically accepted. If this item
is checked and incoming packet is addressed to another network interface, it will go to the
FORWARD chain. In case that the FORWARD chain accepted this packet (there is a rule for
its forwarding), it will be sent out. If the forwarding rule does not exist, packet will be dropped.
Figure 37: Backup Routes
Description
IP address from which access to the router is allowed
Specifies protocol for remote access:
all – access is enabled for all protocols
TCP – access is enabled for TCP protocol
UDP – access is enabled for UDP protocol
ICMP – access is enabled for ICMP protocol
The port number on which access to the router is allowed
Type of action:
allow – access is allowed
deny – access is denied
Table 32: Filtering of incoming packets
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ER75s