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C335 Series Edge Computing Gateways | User Manual
61
Type
Description
Prohibit
The destinations are unreachable. Packets are discarded and the ICMP
message of communication administratively prohibited is generated. The
local senders will receive an EACCES error.
Blackhole
The destinations are unreachable. Packets are discarded silently. The local
senders will receive an EINVAL error.
Anycast
The destinations are any cast addresses assigned to this host. They are mainly
equivalent to local with one difference that such addresses are invalid when
used as the source address of any packet.
3.5.5
Firewall
Firewall – General Settings
The following is a summary of the configuration items that the firewall can define. The
minimum firewall configurations usually contain a basic setting item, at least two zones
(LAN and WAN) and a forwarding to allow packets to be forwarded from LAN to WAN.
General Settings define the global settings that do not depend on a specific area. The
following options can be defined:
Name
Type
Mandatory
or not
Default value
Description
Input
String
N
ACCEPT
INPUT chain default strategy
(ACCEPT, REJECT, DROP)
Output
String
N
ACCEPT
OUTPUT chain default strategy
(ACCEPT, REJECT, DROP)
Forward
String
N
REJECT
FORWARD chain default strategy
(ACCEPT, REJECT, DROP)
